Number 31

In Lotto under the 6/40 + 1/40 · since Nov 2011 rules — 1,355 draws, 6 from 1–40.

207times drawn · chance expected 203 +0.29σ

10draws waiting · a wait this long: 23% for any number

6.5average wait between appearances · chance says 6.7

30longest completed wait · 84% chance of one at least that long

31 is drawn as often as chance explains

Drawn 207 times in 1,355 draws against 203.3 expected, +0.29σ. Each draw is independent: after 10 draws away it is exactly as likely tonight as a number drawn yesterday. It has also come out as the bonus ball 31 times, counted separately.

Number 31, draw by draw

Drawn 207 times in 1,355 draws · average wait 6.5 draws · longest completed wait 30 · waiting 10 draws now

a completed wait — darker is longer the wait still running — a lower bound, not a finished gap

Where it lands in a sorted draw

Sort a draw and 31 has a favourite seat — chance gives a large number the high positions more often. That is the shape of sorting, not of the machine.

1st smallest0 · chance 0.0
2nd smallest2 · chance 1.4
3rd smallest16 · chance 13.1
4th smallest45 · chance 52.5
5th smallest94 · chance 88.7
6th smallest50 · chance 51.2

Every position’s lane →

The company it keeps

Seen most often with these — chance gives every partner about 26.5 shared draws, and the leaders are simply the ones that came out ahead this time.

13 5 20 33 1 7

It has shared a draw with every one of the other 39 numbers; chance expected about 0.0 still unmet by now. Every pair →

How many people play it

Under the crowd model, 31 is picked about 1.22× as often as an indifferent choice — 15th most popular of 40. That changes nothing about whether it comes up, and everything about how many ways a jackpot on it would be shared.

Numbers 1–31 — the birthday zone ×1.22

The model and its sources → · What people believe about 31 →

Every draw it appeared in

Date	Wait	Position	The draw
2026-09-05	2	5th	3 14 16 23 31 34
2026-08-29	12	6th	2 5 20 24 25 31
2026-07-18	9	4th	13 28 30 31 34 35
2026-06-17	14	4th	3 7

What this cannot tell you

Nothing here predicts the next draw. A number’s history is a record of a fair machine’s past, and the machine keeps none of it: 31 is drawn with probability 6/40 tonight whatever it did last week.

2025-01-04	3	5th	2 16 20 28 31 36
2024-12-25	2	6th	6 13 15 18 29 31
2024-12-18	12	5th	3 13 14 23 31 35
2024-11-06	2	4th	7 17 30 31 38 40
2024-10-30	8	5th	10 22 24 25 31 36
2024-10-02	5	5th	10 12 22 28 31 39
2024-09-14	3	5th	3 15 18 22 31 32
2024-09-04	2	4th	9 16 28 31 35 36
2024-08-28	6	4th	1 4 20 31 35 37
2024-08-07	2	5th	13 15 29 30 31 40
2024-07-31	2	4th	8 17 25 31 33 36
2024-07-24	2	5th	1 11 18 29 31 38
2024-07-17	1	4th	6 7 13 31 33 34
2024-07-13	6	5th	11 13 15 19 31 38
2024-06-22	10	6th	1 3 10 17 30 31
2024-05-18	2	5th	13 20 21 22 31 40
2024-05-11	8	3rd	11 19 31 32 35 38
2024-04-13	28	4th	11 14 20 31 33 36
2024-01-06	6	5th	8 16 25 29 31 37
2023-12-16	6	4th	1 7 23 31 35 37
2023-11-25	4	3rd	13 16 31 33 35 37
2023-11-11	9	4th	5 19 23 31 39 40
2023-10-11	3	6th	1 7 12 14 19 31
2023-09-30	12	6th	1 21 22 27 29 31
2023-08-19	2	5th	5 18 26 28 31 39
2023-08-12	13	5th	15 19 20 23 31 33
2023-06-28	11	5th	4 5 8 15 31 33
2023-05-20	3	2nd	14 31 32 37 38 40
2023-05-10	9	4th	4 20 22 31 35 38
2023-04-08	4	3rd	12 24 31 34 36 37
2023-03-25	9	6th	4 5 8 19 28 31
2023-02-22	6	6th	1 2 23 25 30 31
2023-02-01	11	5th	1 3 9 11 31 39
2022-12-24	3	6th	2 3 4 19 30 31
2022-12-14	5	4th	9 22 26 31 32 33
2022-11-26	7	5th	3 5 27 29 31 38
2022-11-02	7	6th	12 20 22 24 28 31
2022-10-08	2	5th	4 10 12 25 31 40
2022-10-01	1	4th	4 16 29 31 32 33
2022-09-28	4	5th	1 3 6 20 31 37
2022-09-14	4	5th	4 5 18 27 31 34
2022-08-31	3	5th	8 13 14 24 31 33
2022-08-20	10	4th	6 13 28 31 33 38
2022-07-16	3	5th	3 16 18 30 31 34
2022-07-06	9	4th	10 24 28 31 35 38
2022-06-04	2	5th	5 10 19 30 31 36
2022-05-28	3	6th	10 13 17 26 30 31
2022-05-18	1	5th	1 7 23 29 31 37
2022-05-14	2	5th	3 5 7 18 31 35
2022-05-07	1	5th	5 14 16 24 31 39
2022-05-04	6	6th	5 19 21 26 28 31
2022-04-13	2	3rd	4 5 31 32 39 40
2022-04-06	5	4th	7 10 27 31 37 38
2022-03-19	11	5th	17 20 23 30 31 40
2022-02-09	17	4th	3 12 22 31 34 35
2021-12-11	3	4th	15 20 24 31 34 36
2021-12-01	1	6th	6 10 11 15 28 31
2021-11-27	6	5th	8 17 20 26 31 37
2021-11-06	3	5th	5 18 20 26 31 37
2021-10-27	2	3rd	27 28 31 32 36 38
2021-10-20	30	6th	2 3 4 7 19 31
2021-07-07	5	6th	3 8 14 15 30 31
2021-06-19	6	6th	12 13 23 27 30 31
2021-05-29	1	4th	2 10 16 31 35 38
2021-05-26	3	5th	7 13 16 30 31 39
2021-05-15	4	6th	6 8 17 25 26 31
2021-05-01	2	5th	7 20 25 30 31 33
2021-04-24	5	5th	4 5 21 26 31 36
2021-04-07	3	6th	6 10 15 22 29 31
2021-03-27	2	3rd	6 25 31 32 33 34
2021-03-20	7	5th	1 11 17 23 31 40
2021-02-24	2	4th	7 24 26 31 36 38
2021-02-17	17	5th	15 16 25 26 31 33
2020-12-19	12	3rd	5 16 31 37 39 40
2020-11-07	7	6th	1 14 16 20 24 31
2020-10-14	1	5th	1 5 16 21 31 34
2020-10-10	15	4th	1 5 20 31 32 33
2020-08-19	5	5th	13 25 26 30 31 37
2020-08-01	7	5th	7 16 22 24 31 34
2020-07-08	3	4th	14 15 24 31 32 37
2020-06-27	9	5th	4 8 20 29 31 35
2020-05-27	3	5th	1 9 20 29 31 34
2020-05-16	7	5th	10 15 20 26 31 34
2020-04-22	18	5th	5 7 8 16 31 33
2020-02-19	1	5th	12 16 24 25 31 35
2020-02-15	3	6th	2 4 10 17 29 31
2020-02-05	2	5th	2 3 6 15 31 40
2020-01-29	22	6th	10 21 26 27 28 31
2019-11-13	14	6th	2 9 10 17 22 31
2019-09-25	5	6th	3 5 15 21 22 31
2019-09-07	7	5th	1 7 20 29 31 38
2019-08-14	1	4th	15 19 23 31 35 40
2019-08-10	2	5th	8 12 17 23 31 34
2019-08-03	8	4th	7 17 30 31 34 39
2019-07-06	1	4th	2 5 17 31 33 37
2019-07-03	4	4th	1 15 22 31 38 39
2019-06-19	16	5th	4 11 19 30 31 33
2019-04-24	4	4th	16 19 20 31 35 38
2019-04-10	8	3rd	17 22 31 32 33 40
2019-03-13	4	5th	7 8 14 23 31 39
2019-02-27	1	3rd	1 9 31 32 36 38
2019-02-23	3	2nd	13 31 33 36 38 40
2019-02-13	2	6th	2 5 6 26 27 31
2019-02-06	3	6th	6 8 14 15 26 31
2019-01-26	1	4th	13 19 27 31 35 37
2019-01-23	6	5th	3 10 11 13 31 40
2019-01-02	3	4th	11 15 22 31 35 39
2018-12-22	7	6th	10 15 25 27 28 31
2018-11-28	4	5th	18 19 20 30 31 38
2018-11-14	30	6th	6 8 20 24 27 31
2018-08-01	3	5th	4 5 21 22 31 34
2018-07-21	6	5th	1 8 10 12 31 34
2018-06-30	7	5th	12 16 23 29 31 39
2018-06-06	5	5th	9 16 23 25 31 32
2018-05-19	25	5th	3 6 13 25 31 37
2018-02-21	1	6th	3 9 11 17 25 31
2018-02-17	5	3rd	29 30 31 35 36 37
2018-01-31	18	5th	5 10 11 16 31 39
2017-11-29	3	6th	5 9 14 17 24 31
2017-11-18	10	5th	11 12 20 28 31 36
2017-10-14	6	5th	3 4 7 11 31 38
2017-09-23	12	5th	6 7 15 19 31 35
2017-08-12	2	6th	2 14 21 23 30 31
2017-08-05	9	5th	16 22 29 30 31 35
2017-07-05	7	5th	9 11 19 27 31 39
2017-06-10	2	4th	1 7 9 31 35 37
2017-06-03	4	6th	13 14 18 23 29 31
2017-05-20	2	6th	1 6 14 16 20 31
2017-05-13	29	5th	2 3 7 26 31 37
2017-02-01	4	5th	2 13 18 25 31 35
2017-01-18	1	6th	8 13 14 21 25 31
2017-01-14	8	4th	1 2 11 31 32 38
2016-12-17	6	6th	2 12 22 24 26 31
2016-11-26	19	5th	17 19 23 29 31 36
2016-09-21	6	5th	10 11 17 21 31 34
2016-08-31	6	4th	16 21 28 31 33 37
2016-08-10	12	5th	4 5 11 14 31 36
2016-06-29	8	5th	1 6 7 25 31 32
2016-06-01	9	5th	7 12 14 18 31 32
2016-04-30	8	5th	11 20 22 23 31 36
2016-04-02	3	6th	7 10 13 21 28 31
2016-03-23	9	5th	6 12 16 18 31 37
2016-02-20	12	5th	5 11 20 22 31 33
2016-01-09	6	5th	3 8 21 30 31 37
2015-12-19	8	6th	13 14 17 18 20 31
2015-11-21	8	4th	6 15 19 31 35 40
2015-10-24	1	4th	7 12 20 31 34 39
2015-10-21	4	6th	2 12 13 16 23 31
2015-10-07	5	6th	3 7 14 23 28 31
2015-09-05	1	4th	1 11 19 31 35 40
2015-08-29	7	3rd	3 17 31 34 37 39
2015-07-11	8	5th	8 11 15 17 31 36
2015-05-16	11	4th	1 3 5 31 32 38
2015-02-28	1	5th	5 6 25 30 31 40
2015-02-21	3	5th	6 18 21 26 31 39
2015-01-31	4	5th	8 15 16 28 31 32
2015-01-03	10	5th	4 6 17 27 31 32
2014-10-25	13	5th	2 9 19 28 31 35
2014-07-26	2	4th	13 14 27 31 38 40
2014-07-12	11	4th	14 21 30 31 36 37
2014-04-26	3	6th	12 17 18 25 29 31
2014-04-05	5	5th	11 13 16 20 31 33
2014-03-01	7	5th	1 9 13 20 31 33
2014-01-11	5	5th	10 12 22 30 31 39
2013-12-07	1	6th	3 11 21 25 26 31
2013-11-30	11	5th	1 4 11 17 31 37
2013-09-14	13	6th	2 5 11 19 30 31
2013-06-15	8	3rd	12 26 31 33 36 39
2013-04-20	12	3rd	15 29 31 34 39 40
2013-01-26	5	6th	1 2 12 27 29 31
2012-12-22	6	6th	6 8 13 14 19 31
2012-11-10	3	3rd	18 22 31 32 33 36
2012-10-20	1	6th	2 11 12 14 27 31
2012-10-13	5	5th	1 7 29 30 31 40
2012-09-08	4	3rd	7 16 31 38 39 40
2012-08-11	3	6th	2 4 15 20 26 31
2012-07-21	11	6th	1 13 15 17 26 31
2012-05-05	3	3rd	7 28 31 34 35 38
2012-04-14	6	5th	13 17 23 27 31 33
2012-03-03	11	4th	3 8 23 31 39 40
2011-12-17	4	5th	9 13 19 23 31 40
2011-11-19	2	6th	13 15 25 26 30 31
2011-11-05	—	4th	2 5 21 31 35 38