31606104456 has 48 divisors (see below), whose sum is σ = 85608385200. Its totient is φ = 10534319712.

The previous prime is 31606104433. The next prime is 31606104469. The reversal of 31606104456 is 65440160613.

It is a happy number.

31606104456 is a `hidden beast` number, since 3 + 1 + 606 + 1 + 0 + 4 + 45 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 31606104456.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1114015 + ... + 1142033.

It is an arithmetic number, because the mean of its divisors is an integer number (1783508025).

Almost surely, 2^31606104456 is an apocalyptic number.

31606104456 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

31606104456 is an abundant number, since it is smaller than the sum of its proper divisors (54002280744).

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

31606104456 is a wasteful number, since it uses less digits than its factorization.

31606104456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43698 (or 43691 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 31606104456 in words is "thirty-one billion, six hundred six million, one hundred four thousand, four hundred fifty-six".