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31513500114 = 2341951113469
BaseRepresentation
bin11101010110010110…
…011101100111010010
310000100020012200012220
4131112112131213102
51004014424000424
622251015401510
72163635221425
oct352626354722
9100306180186
1031513500114
1112401605078
126135983296
132c82b030b5
14174d4639bc
15c4693d579
hex75659d9d2

31513500114 has 32 divisors (see below), whose sum is σ = 64575826560. Its totient is φ = 10246454400.

The previous prime is 31513500113. The next prime is 31513500131. The reversal of 31513500114 is 41100531513.

It is not an unprimeable number, because it can be changed into a prime (31513500113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2332972 + ... + 2346440.

It is an arithmetic number, because the mean of its divisors is an integer number (2017994580).

Almost surely, 231513500114 is an apocalyptic number.

31513500114 is an abundant number, since it is smaller than the sum of its proper divisors (33062326446).

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

31513500114 is a wasteful number, since it uses less digits than its factorization.

31513500114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23026.

The product of its (nonzero) digits is 900, while the sum is 24.

The spelling of 31513500114 in words is "thirty-one billion, five hundred thirteen million, five hundred thousand, one hundred fourteen".

Divisors: 1 2 3 6 41 82 123 246 9511 13469 19022 26938 28533 40407 57066 80814 389951 552229 779902 1104458 1169853 1656687 2339706 3313374 128103659 256207318 384310977 768621954 5252250019 10504500038 15756750057 31513500114