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31113743654388 = 223171657206344617
BaseRepresentation
bin1110001001100001110111…
…01000110101110111110100
311002011110000021212111201110
413010300323220311313310
513034231421333420023
6150101242334555020
76360615400301043
oct704607350656764
9132143007774643
1031113743654388
119a062a0182aaa
1235a6075968a70
1314490236a15a5
14797cadc7c55a
1538e517123a93
hex1c4c3ba35df4

31113743654388 has 96 divisors (see below), whose sum is σ = 76954647780864. Its totient is φ = 9750336380928.

The previous prime is 31113743654333. The next prime is 31113743654401. The reversal of 31113743654388 is 88345634731113.

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, 697329456 + ... + 697374072.

It is an arithmetic number, because the mean of its divisors is an integer number (801610914384).

Almost surely, 231113743654388 is an apocalyptic number.

It is an amenable number.

31113743654388 is an abundant number, since it is smaller than the sum of its proper divisors (45840904126476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31113743654388 is a wasteful number, since it uses less digits than its factorization.

31113743654388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48361 (or 48359 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 57.

The spelling of 31113743654388 in words is "thirty-one trillion, one hundred thirteen billion, seven hundred forty-three million, six hundred fifty-four thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 1657 2063 3314 4126 4971 6189 6628 8252 9942 12378 19884 24756 28169 35071 44617 56338 70142 84507 89234 105213 112676 133851 140284 169014 178468 210426 267702 338028 420852 535404 758489 1516978 2275467 3033956 3418391 4550934 6836782 9101868 10255173 13673564 20510346 41020692 58112647 73930369 92044871 116225294 147860738 174337941 184089742 221791107 232450588 276134613 295721476 348675882 368179484 443582214 552269226 697351764 887164428 1104538452 1256816273 1564762807 2513632546 3129525614 3770448819 4694288421 5027265092 6259051228 7540897638 9388576842 15081795276 18777153684 152518351247 305036702494 457555053741 610073404988 915110107482 1830220214964 2592811971199 5185623942398 7778435913597 10371247884796 15556871827194 31113743654388