Number 31

In Powerball under the 5/69 + 1/26 · since Oct 2015 rules — 1,418 draws, 5 from 1–69.

100times drawn · chance expected 103 −0.28σ

21draws waiting · a wait this long: 22% for any number

14.1average wait between appearances · chance says 13.8

62longest completed wait · 64% chance of one at least that long

31 is drawn as often as chance explains

Drawn 100 times in 1,418 draws against 102.8 expected, −0.28σ. Each draw is independent: after 21 draws away it is exactly as likely tonight as a number drawn yesterday.

Number 31, draw by draw

Drawn 100 times in 1,418 draws · average wait 14.1 draws · longest completed wait 62 · waiting 21 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 small number the low positions more often. That is the shape of sorting, not of the machine.

1st smallest7 · chance 9.1
2nd smallest40 · chance 31.1
3rd smallest36 · chance 37.6
4th smallest14 · chance 18.9
5th smallest3 · chance 3.4

Every position’s lane →

The company it keeps

Seen most often with these — chance gives every partner about 5.9 shared draws, and the leaders are simply the ones that came out ahead this time.

21 43 8 15 36 38

It has shared a draw with every one of the other 68 numbers; chance expected about 0.2 still unmet by now. Every pair →

How many people play it

Under the crowd model, 31 is picked about 1.06× as often as an indifferent choice — 16th most popular of 69. 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 ×1.14

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

Every draw it appeared in

Date	Wait	Position	The draw
2026-08-22	31	2nd	13 31 54 57 65
2026-06-10	6	2nd	12 31 38 60 66
2026-05-27	6	4th	5 14 21 31 51
2026-05-13	7	2nd	22 31 52 56

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 5/69 tonight whatever it did last week.

2024-08-21	2	2nd	27 31 33 38 67
2024-08-17	9	2nd	12 31 43 45 46
2024-07-27	2	2nd	3 31 37 40 64
2024-07-22	1	1st	31 36 56 58 69
2024-07-20	2	3rd	18 25 31 40 57
2024-07-15	3	2nd	9 31 39 40 45
2024-07-08	11	3rd	20 22 31 33 45
2024-06-12	62	3rd	19 30 31 61 62
2024-01-20	3	2nd	16 31 34 47 65
2024-01-13	3	2nd	13 31 33 51 58
2024-01-06	1	2nd	4 31 34 38 61
2024-01-03	10	2nd	30 31 38 48 68
2023-12-11	24	4th	1 24 27 31 62
2023-10-16	45	3rd	2 27 31 44 64
2023-07-03	12	3rd	15 26 31 38 61
2023-06-05	13	2nd	2 31 45 46 49
2023-05-06	14	1st	31 39 47 51 53
2023-04-03	19	3rd	16 30 31 54 68
2023-02-18	1	3rd	8 21 31 32 37
2023-02-15	6	1st	31 32 54 60 63
2023-02-01	4	1st	31 43 58 59 66
2023-01-23	9	2nd	12 31 47 58 60
2023-01-02	9	4th	7 9 12 31 62
2022-12-12	8	2nd	16 31 50 55 61
2022-11-23	11	3rd	1 2 31 39 66
2022-10-29	14	2nd	19 31 40 46 57
2022-09-26	24	3rd	13 20 31 33 59
2022-08-01	12	3rd	15 21 31 36 65
2022-07-04	5	4th	15 16 24 31 56
2022-06-22	31	3rd	6 10 31 48 56
2022-04-11	1	4th	5 7 24 31 34
2022-04-09	4	3rd	6 16 31 62 66
2022-03-30	3	4th	3 7 21 31 37
2022-03-23	55	1st	31 32 37 38 48
2021-11-15	13	2nd	5 31 34 51 53
2021-10-16	15	2nd	30 31 41 42 48
2021-09-11	25	2nd	20 31 38 40 49
2021-06-26	32	2nd	8 31 39 43 60
2021-03-06	2	2nd	11 31 50 52 58
2021-02-27	23	3rd	2 28 31 44 52
2020-12-09	2	3rd	11 14 31 47 48
2020-12-02	13	2nd	28 31 40 41 46
2020-10-17	4	3rd	6 10 31 37 44
2020-10-03	5	2nd	18 31 36 43 47
2020-09-16	25	3rd	10 17 31 51 53
2020-06-20	22	2nd	10 31 41 63 67
2020-04-04	19	2nd	8 31 39 40 43
2020-01-29	5	4th	9 12 15 31 60
2020-01-11	6	4th	3 21 23 31 59
2019-12-21	28	2nd	19 31 35 50 67
2019-09-14	14	3rd	11 27 31 36 67
2019-07-27	43	3rd	1 19 31 48 61
2019-02-27	12	2nd	21 31 42 49 59
2019-01-16	8	3rd	14 29 31 56 61
2018-12-19	59	3rd	15 29 31 37 43
2018-05-26	7	3rd	1 21 31 45 49
2018-05-02	20	3rd	5 14 31 40 50
2018-02-21	27	3rd	7 15 31 34 36
2017-11-18	18	3rd	17 28 31 32 39
2017-09-16	37	5th	17 18 24 25 31
2017-05-10	1	2nd	29 31 46 56 62
2017-05-06	11	3rd	11 21 31 41 59
2017-03-29	1	3rd	8 15 31 36 62
2017-03-25	10	2nd	18 31 32 45 48
2017-02-18	29	4th	3 7 9 31 33
2016-11-09	1	4th	1 25 28 31 54
2016-11-05	15	2nd	21 31 50 51 69
2016-09-14	20	5th	10 11 23 28 31
2016-07-06	6	3rd	2 24 31 57 66
2016-06-15	32	4th	4 22 24 31 33
2016-02-24	5	2nd	21 31 64 65 67
2016-02-06	1	3rd	4 13 31 36 52
2016-02-03	1	3rd	26 28 31 60 67
2016-01-30	28	4th	5 12 16 31 43
2015-10-24	3	2nd	20 31 56 60 64
2015-10-14	—	4th	15 20 29 31 40