31980604704 has 48 divisors (see below), whose sum is σ = 83992608000. Its totient is φ = 10654675200.

The previous prime is 31980604681. The next prime is 31980604759. The reversal of 31980604704 is 40740608913.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101922 + ... + 272670.

It is an arithmetic number, because the mean of its divisors is an integer number (1749846000).

Almost surely, 2^31980604704 is an apocalyptic number.

It is an amenable number.

31980604704 is an abundant number, since it is smaller than the sum of its proper divisors (52012003296).

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

31980604704 is a wasteful number, since it uses less digits than its factorization.

31980604704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172713 (or 172705 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 31980604704 in words is "thirty-one billion, nine hundred eighty million, six hundred four thousand, seven hundred four".