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31140204113 = 53954761543
BaseRepresentation
bin11101000000000110…
…011100111001010001
32222101012210021101002
4131000012130321101
51002233343012423
622150002351345
72151453240044
oct350006347121
988335707332
1031140204113
111222a919287
12605095b555
132c236814a5
141715a50c5b
15c23ca2228
hex74019ce51

31140204113 has 8 divisors (see below), whose sum is σ = 31731594048. Its totient is φ = 30548956464.

The previous prime is 31140204107. The next prime is 31140204127.

31140204113 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31140204113 - 24 = 31140204097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31140204713) 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, 475220 + ... + 536762.

It is an arithmetic number, because the mean of its divisors is an integer number (3966449256).

Almost surely, 231140204113 is an apocalyptic number.

It is an amenable number.

31140204113 is a deficient number, since it is larger than the sum of its proper divisors (591389935).

31140204113 is an equidigital number, since it uses as much as digits as its factorization.

31140204113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71143.

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 31140204113 in words is "thirty-one billion, one hundred forty million, two hundred four thousand, one hundred thirteen".

Divisors: 1 53 9547 61543 505991 3261779 587551021 31140204113