31136650104 has 64 divisors (see below), whose sum is σ = 89278583040. Its totient is φ = 8864513280.

The previous prime is 31136650093. The next prime is 31136650117. The reversal of 31136650104 is 40105663113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282574 + ... + 376989.

It is an arithmetic number, because the mean of its divisors is an integer number (1394977860).

Almost surely, 2^31136650104 is an apocalyptic number.

It is an amenable number.

31136650104 is an abundant number, since it is smaller than the sum of its proper divisors (58141932936).

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

31136650104 is a wasteful number, since it uses less digits than its factorization.

31136650104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659860 (or 659856 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The spelling of 31136650104 in words is "thirty-one billion, one hundred thirty-six million, six hundred fifty thousand, one hundred four".