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31374185116 = 2243193194463
BaseRepresentation
bin11101001110000011…
…000001001010011100
32222222112001201222011
4131032003001022130
51003223242410431
622225121401004
72160324113311
oct351603011234
988875051864
1031374185116
111233aa0070a
1260b7199164
132c5cca57a1
141738b5ad08
15c395becb1
hex74e0c129c

31374185116 has 24 divisors (see below), whose sum is σ = 56211369984. Its totient is φ = 15314179440.

The previous prime is 31374185111. The next prime is 31374185179. The reversal of 31374185116 is 61158147313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31374185111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284901 + ... + 379363.

It is an arithmetic number, because the mean of its divisors is an integer number (2342140416).

Almost surely, 231374185116 is an apocalyptic number.

It is an amenable number.

31374185116 is a deficient number, since it is larger than the sum of its proper divisors (24837184868).

31374185116 is a wasteful number, since it uses less digits than its factorization.

31374185116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96441 (or 96439 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The spelling of 31374185116 in words is "thirty-one billion, three hundred seventy-four million, one hundred eighty-five thousand, one hundred sixteen".

Divisors: 1 2 4 43 86 172 1931 3862 7724 83033 94463 166066 188926 332132 377852 4061909 8123818 16247636 182408053 364816106 729632212 7843546279 15687092558 31374185116