Number 31

In Set for Life under the 5/47 + 1/10 · since Mar 2019 rules — 791 draws, 5 from 1–47.

80times drawn · chance expected 84 −0.48σ

5draws waiting · a wait this long: 64% for any number

9.7average wait between appearances · chance says 9.4

44longest completed wait · 47% chance of one at least that long

31 is drawn as often as chance explains

Drawn 80 times in 791 draws against 84.1 expected, −0.48σ. Each draw is independent: after 5 draws away it is exactly as likely tonight as a number drawn yesterday.

Number 31, draw by draw

Drawn 80 times in 791 draws · average wait 9.7 draws · longest completed wait 44 · waiting 5 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 0.9
2nd smallest7 · chance 8.2
3rd smallest31 · chance 25.6
4th smallest33 · chance 31.8
5th smallest9 · chance 13.4

Every position’s lane →

The company it keeps

Seen most often with these — chance gives every partner about 7.0 shared draws, and the leaders are simply the ones that came out ahead this time.

42 7 8 29 19 24

It has shared a draw with every one of the other 46 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 47. 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
2026-09-24	8	3rd	1 11 31 35 36
2026-08-27	44	4th	1 24 28 31 47
2026-03-26	5	4th	14 17 26 31 37
2026-03-09	2	4th	9 17 29 31

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 5/47 tonight whatever it did last week.

2024-11-25	4	3rd	18 29 31 34 38
2024-11-11	9	4th	1 9 24 31 36
2024-10-10	11	5th	7 13 18 20 31
2024-09-02	8	5th	3 9 21 22 31
2024-08-05	16	3rd	8 23 31 38 47
2024-06-10	1	3rd	28 30 31 32 42
2024-06-06	4	4th	3 24 29 31 41
2024-05-23	39	3rd	14 20 31 40 43
2024-01-08	36	2nd	19 31 37 39 40
2023-09-04	6	3rd	14 30 31 44 47
2023-08-14	7	4th	8 15 17 31 41
2023-07-20	8	2nd	28 31 37 40 47
2023-06-22	6	3rd	10 11 31 42 43
2023-06-01	6	3rd	11 19 31 34 44
2023-05-11	16	4th	16 19 22 31 45
2023-03-16	7	4th	1 7 25 31 40
2023-02-20	11	4th	12 17 22 31 38
2023-01-12	1	5th	23 24 25 30 31
2023-01-09	10	5th	7 16 24 29 31
2022-12-05	4	3rd	19 23 31 34 43
2022-11-21	3	4th	3 12 18 31 33
2022-11-10	18	4th	4 27 29 31 40
2022-09-08	3	3rd	2 7 31 42 44
2022-08-29	8	4th	3 8 14 31 47
2022-08-01	17	4th	7 11 19 31 47
2022-06-02	7	3rd	18 29 31 33 47
2022-05-09	2	4th	6 7 9 31 38
2022-05-02	2	3rd	3 27 31 44 46
2022-04-25	2	3rd	8 15 31 37 40
2022-04-18	3	4th	7 9 12 31 43
2022-04-07	11	4th	8 11 19 31 33
2022-02-28	1	4th	4 15 24 31 33
2022-02-24	4	4th	5 6 25 31 40
2022-02-10	1	3rd	4 9 31 32 42
2022-02-07	30	2nd	5 31 34 36 47
2021-10-25	19	2nd	15 31 36 43 45
2021-08-19	1	2nd	8 31 39 42 47
2021-08-16	10	4th	8 13 19 31 46
2021-07-12	5	3rd	12 17 31 35 39
2021-06-24	24	3rd	1 26 31 32 41
2021-04-01	17	3rd	12 26 31 32 35
2021-02-01	30	4th	20 23 30 31 42
2020-10-19	13	2nd	21 31 32 40 42
2020-09-03	28	4th	8 10 26 31 32
2020-05-28	5	5th	3 5 13 23 31
2020-05-11	2	4th	24 25 26 31 45
2020-05-04	5	3rd	19 27 31 37 43
2020-04-16	3	4th	11 18 20 31 35
2020-04-06	9	3rd	11 23 31 39 42
2020-03-05	2	4th	16 24 29 31 46
2020-02-27	22	4th	2 19 29 31 40
2019-12-12	13	3rd	12 14 31 37 39
2019-10-28	28	3rd	5 25 31 34 41
2019-07-22	17	5th	8 23 26 28 31
2019-05-23	2	3rd	15 21 31 44 45
2019-05-16	—	3rd	15 23 31 32 33