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31011514104 = 2331776008613
BaseRepresentation
bin11100111000011011…
…100010011011111000
32222001020122010212110
4130320123202123320
51002002421422404
622125124212320
72145331343364
oct347033423370
988036563773
1031011514104
11121742115aa
12601583a0a0
132c02b0405c
1417029122a4
15c17831b89
hex7386e26f8

31011514104 has 32 divisors (see below), whose sum is σ = 82089303120. Its totient is φ = 9729102336.

The previous prime is 31011514049. The next prime is 31011514109. The reversal of 31011514104 is 40141511013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31011514109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38003899 + ... + 38004714.

Almost surely, 231011514104 is an apocalyptic number.

31011514104 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

31011514104 is an abundant number, since it is smaller than the sum of its proper divisors (51077789016).

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

31011514104 is a wasteful number, since it uses less digits than its factorization.

31011514104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76008639 (or 76008635 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The spelling of 31011514104 in words is "thirty-one billion, eleven million, five hundred fourteen thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 76008613 152017226 228025839 304034452 456051678 608068904 912103356 1292146421 1824206712 2584292842 3876439263 5168585684 7752878526 10337171368 15505757052 31011514104