31261604504552 has 16 divisors (see below), whose sum is σ = 58803982754400. Its totient is φ = 15580542436720.

The previous prime is 31261604504477. The next prime is 31261604504563. The reversal of 31261604504552 is 25540540616213.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6282474302 + ... + 6282479277.

It is an arithmetic number, because the mean of its divisors is an integer number (3675248922150).

Almost surely, 2^{31261604504552} is an apocalyptic number.

It is an amenable number.

31261604504552 is a deficient number, since it is larger than the sum of its proper divisors (27542378249848).

31261604504552 is a wasteful number, since it uses less digits than its factorization.

31261604504552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12564953896 (or 12564953892 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 31261604504552 in words is "thirty-one trillion, two hundred sixty-one billion, six hundred four million, five hundred four thousand, five hundred fifty-two".