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31311411212404 = 22375971257919583
BaseRepresentation
bin1110001111010010000011…
…00010101111000001110100
311002212100020002020212022201
413013221001202233001310
513101001232232244104
6150332132544434244
76411113646644461
oct707510142570164
9132770202225281
1031311411212404
119a82105384aa4
123618440318984
1314618656c9c7b
147a36a2288668
153947359190a4
hex1c7a418af074

31311411212404 has 96 divisors (see below), whose sum is σ = 58061264486400. Its totient is φ = 14757013998720.

The previous prime is 31311411212387. The next prime is 31311411212429. The reversal of 31311411212404 is 40421211411313.

It is a super-2 number, since 2×313114112124042 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 1598897997 + ... + 1598917579.

It is an arithmetic number, because the mean of its divisors is an integer number (604804838400).

Almost surely, 231311411212404 is an apocalyptic number.

It is an amenable number.

31311411212404 is a deficient number, since it is larger than the sum of its proper divisors (26749853273996).

31311411212404 is a wasteful number, since it uses less digits than its factorization.

31311411212404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22333 (or 22331 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 31311411212404 its reverse (40421211411313), we get a palindrome (71732622623717).

The spelling of 31311411212404 in words is "thirty-one trillion, three hundred eleven billion, four hundred eleven million, two hundred twelve thousand, four hundred four".

Divisors: 1 2 4 37 59 71 74 118 142 148 236 284 2183 2579 2627 4189 4366 5158 5254 8378 8732 10316 10508 16756 19583 39166 78332 95423 152161 154993 183109 190846 304322 309986 366218 381692 608644 619972 724571 732436 1155397 1390393 1449142 2310794 2780786 2898284 4621588 5561572 5629957 6775033 10803431 11259914 13550066 21606862 22519828 27100132 42749689 43213724 50504557 51444541 82033187 85499378 101009114 102889082 164066374 170998756 202018228 205778164 328132748 399726947 799453894 1598907788 1868668609 2979768863 3035227919 3585823547 3737337218 5959537726 6070455838 7171647094 7474674436 11919075452 12140911676 14343294188 110251447931 132675471239 211563589273 220502895862 265350942478 423127178546 441005791724 530701884956 846254357092 7827852803101 15655705606202 31311411212404