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31114325505105 = 335435359918261
BaseRepresentation
bin1110001001100010111100…
…10100011011010001010001
311002011111111211201120212000
413010301132110123101101
513034234114312130410
6150101420202024213
76360635664036603
oct704613624332121
9132144454646760
1031114325505105
119a06569665067
1235a61b87a8069
1314490b70b425b
14797d2725d173
1538e54d258dc0
hex1c4c5e51b451

31114325505105 has 32 divisors (see below), whose sum is σ = 56600736846720. Its totient is φ = 16208392818240.

The previous prime is 31114325505103. The next prime is 31114325505121. The reversal of 31114325505105 is 50150552341113.

31114325505105 is a `hidden beast` number, since 3 + 1 + 1 + 1 + 43 + 2 + 5 + 505 + 105 = 666.

It is not a de Polignac number, because 31114325505105 - 21 = 31114325505103 is a prime.

It is a super-2 number, since 2×311143255051052 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31114325505105.

It is not an unprimeable number, because it can be changed into a prime (31114325505103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2679953326 + ... + 2679964935.

It is an arithmetic number, because the mean of its divisors is an integer number (1768773026460).

Almost surely, 231114325505105 is an apocalyptic number.

It is an amenable number.

31114325505105 is a deficient number, since it is larger than the sum of its proper divisors (25486411341615).

31114325505105 is a wasteful number, since it uses less digits than its factorization.

31114325505105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5359918318 (or 5359918312 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

Adding to 31114325505105 its reverse (50150552341113), we get a palindrome (81264877846218).

The spelling of 31114325505105 in words is "thirty-one trillion, one hundred fourteen billion, three hundred twenty-five million, five hundred five thousand, one hundred five".

Divisors: 1 3 5 9 15 27 43 45 129 135 215 387 645 1161 1935 5805 5359918261 16079754783 26799591305 48239264349 80398773915 144717793047 230476485223 241196321745 691429455669 723588965235 1152382426115 2074288367007 3457147278345 6222865101021 10371441835035 31114325505105