Number 31

In MillionDay Day under the 5/55 · since Sep 2024 rules — 727 draws, 5 from 1–55.

83times drawn · chance expected 66 +2.18σ

7draws waiting · a wait this long: 56% for any number

8.7average wait between appearances · chance says 11.0

47longest completed wait · 64% chance of one at least that long

31 is drawn as often as chance explains

Drawn 83 times in 727 draws against 66.1 expected, +2.18σ. Each draw is independent: after 7 draws away it is exactly as likely tonight as a number drawn yesterday.

Number 31, draw by draw

Drawn 83 times in 727 draws · average wait 8.7 draws · longest completed wait 47 · waiting 7 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 2.8
2nd smallest14 · chance 15.9
3rd smallest30 · chance 31.5
4th smallest30 · chance 25.6
5th smallest9 · chance 7.2

Every position’s lane →

The company it keeps

Seen most often with these — chance gives every partner about 6.1 shared draws, and the leaders are simply the ones that came out ahead this time.

16 2 30 51 6 8

It has shared a draw with every one of the other 54 numbers; chance expected about 0.1 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 55. 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
2026-10-05	7	2nd	15 31 35 49 55
2026-09-28	5	3rd	8 13 31 36 53
2026-09-23	1	5th	13 15 17 27 31
2026-09-22	6	4th	14 16 20

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 5/55 tonight whatever it did last week.

2026-03-19	3	4th	2 9 25 31 53
2026-03-16	13	3rd	20 30 31 35 43
2026-03-03	14	2nd	10 31 43 45 50
2026-02-17	16	3rd	10 15 31 32 36
2026-02-01	4	4th	3 7 11 31 36
2026-01-28	2	3rd	11 30 31 41 47
2026-01-26	4	5th	6 16 28 30 31
2026-01-22	9	4th	5 10 21 31 47
2026-01-13	5	3rd	19 26 31 42 50
2026-01-08	3	4th	18 25 29 31 46
2026-01-05	15	2nd	16 31 35 46 55
2025-12-21	3	3rd	16 20 31 36 51
2025-12-17	18	5th	3 9 13 21 31
2025-11-29	8	4th	1 10 15 31 33
2025-11-21	6	4th	21 24 25 31 54
2025-11-06	3	4th	11 15 29 31 41
2025-11-03	2	3rd	14 16 31 37 40
2025-11-01	16	4th	1 16 25 31 44
2025-10-15	1	3rd	16 24 31 39 47
2025-10-14	10	2nd	28 31 33 53 54
2025-10-02	9	2nd	4 31 40 42 55
2025-09-23	5	4th	18 20 21 31 54
2025-09-18	12	3rd	20 28 31 52 55
2025-09-06	13	4th	25 27 30 31 37
2025-08-24	16	4th	2 9 13 31 54
2025-08-08	11	3rd	6 8 31 42 51
2025-07-28	1	3rd	5 17 31 38 52
2025-07-27	6	4th	1 17 28 31 48
2025-07-21	26	4th	10 12 16 31 54
2025-06-25	6	3rd	24 26 31 34 48
2025-06-19	32	3rd	3 11 31 40 48
2025-05-18	4	4th	8 14 21 31 41
2025-05-14	6	4th	13 25 26 31 53
2025-05-08	18	2nd	6 31 36 44 53
2025-04-20	5	3rd	7 20 31 39 43
2025-04-15	10	4th	8 10 26 31 47
2025-04-05	3	2nd	6 31 44 47 48
2025-04-02	3	2nd	22 31 32 45 53
2025-03-30	9	3rd	2 14 31 40 46
2025-03-21	2	4th	1 9 22 31 51
2025-03-19	5	3rd	8 29 31 48 53
2025-03-14	13	3rd	11 16 31 37 40
2025-03-01	16	4th	5 10 22 31 40
2025-02-13	1	4th	1 6 12 31 43
2025-02-12	34	5th	2 6 15 17 31
2025-01-09	3	3rd	6 25 31 49 52
2025-01-06	11	3rd	4 16 31 43 51
2024-12-26	2	4th	8 10 27 31 42
2024-12-24	8	3rd	19 24 31 40 55
2024-12-16	8	5th	8 16 27 30 31
2024-12-08	17	3rd	6 9 31 33 50
2024-11-21	6	4th	2 8 14 31 51
2024-11-15	2	3rd	19 26 31 38 39
2024-11-13	2	3rd	9 20 31 52 53
2024-11-11	1	2nd	1 31 34 35 45
2024-11-10	7	5th	2 15 18 30 31
2024-11-03	7	2nd	24 31 40 41 44
2024-10-27	26	4th	14 28 30 31 47
2024-10-01	—	2nd	22 31 39 43 48