31617056134 has 64 divisors (see below), whose sum is σ = 51926261760. Its totient is φ = 14388917760.

The previous prime is 31617056129. The next prime is 31617056173. The reversal of 31617056134 is 43165071613.

It is a junction number, because it is equal to n+sod(n) for n = 31617056093 and 31617056102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36635787 + ... + 36636649.

It is an arithmetic number, because the mean of its divisors is an integer number (811347840).

Almost surely, 2^31617056134 is an apocalyptic number.

31617056134 is a deficient number, since it is larger than the sum of its proper divisors (20309205626).

31617056134 is a wasteful number, since it uses less digits than its factorization.

31617056134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 31617056134 in words is "thirty-one billion, six hundred seventeen million, fifty-six thousand, one hundred thirty-four".