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31331133300332 = 221729166728513343
BaseRepresentation
bin1110001111110110110010…
…00100100001111001101100
311002221020010112211201212202
413013323121010201321230
513101312130111102312
6150345153545321032
76412412455635215
oct707733104417154
9132836115751782
1031331133300332
119a8a505a46618
123620225196178
13146368963b698
147a46136aa40c
15394edc08a9c2
hex1c7ed9121e6c

31331133300332 has 96 divisors (see below), whose sum is σ = 60131721323520. Its totient is φ = 14217862579200.

The previous prime is 31331133300323. The next prime is 31331133300421. The reversal of 31331133300332 is 23300333113313.

It is a happy number.

It is a super-2 number, since 2×313311333003322 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 31331133300295 and 31331133300304.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9372159053 + ... + 9372162395.

It is an arithmetic number, because the mean of its divisors is an integer number (626372097120).

Almost surely, 231331133300332 is an apocalyptic number.

It is an amenable number.

31331133300332 is a deficient number, since it is larger than the sum of its proper divisors (28800588023188).

31331133300332 is a wasteful number, since it uses less digits than its factorization.

31331133300332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7911 (or 7909 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 29.

Adding to 31331133300332 its reverse (23300333113313), we get a palindrome (54631466413645).

The spelling of 31331133300332 in words is "thirty-one trillion, three hundred thirty-one billion, one hundred thirty-three million, three hundred thousand, three hundred thirty-two".

Divisors: 1 2 4 17 29 34 58 68 116 493 986 1667 1972 2851 3334 3343 5702 6668 6686 11404 13372 28339 48343 48467 56678 56831 82679 96686 96934 96947 113356 113662 165358 193372 193868 193894 227324 330716 387788 821831 1405543 1643662 1648099 2811086 3287324 3296198 4752617 5572781 5622172 6592396 9505234 9530893 11145562 19010468 19061786 22291124 38123572 80794489 94737277 137825893 161588978 161610649 162025181 189474554 275651786 276395897 323177956 323221298 324050362 378949108 551303572 552791794 646442596 648100724 1105583588 2343040181 2747381033 4686080362 4698730249 5494762066 9372160724 9397460498 10989524132 15887998631 18794920996 31775997262 63551994524 270095976727 460751960299 540191953454 921503920598 1080383906908 1843007841196 7832783325083 15665566650166 31331133300332