31704445564 has 24 divisors (see below), whose sum is σ = 60559244928. Its totient is φ = 14403355440.

The previous prime is 31704445483. The next prime is 31704445651. The reversal of 31704445564 is 46554440713.

It is a self number, because there is not a number n which added to its sum of digits gives 31704445564.

It is a congruent number.

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, 110824 + ... + 275119.

It is an arithmetic number, because the mean of its divisors is an integer number (2523301872).

Almost surely, 2^31704445564 is an apocalyptic number.

It is an amenable number.

31704445564 is a deficient number, since it is larger than the sum of its proper divisors (28854799364).

31704445564 is a wasteful number, since it uses less digits than its factorization.

31704445564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387825 (or 387823 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 31704445564 in words is "thirty-one billion, seven hundred four million, four hundred forty-five thousand, five hundred sixty-four".