31534730564 has 12 divisors (see below), whose sum is σ = 55188681324. Its totient is φ = 15766535904.

The previous prime is 31534730477. The next prime is 31534730609. The reversal of 31534730564 is 46503743513.

It can be written as a sum of positive squares in 2 ways, for example, as 8947646464 + 22587084100 = 94592^2 + 150290^2 .

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, 117467 + ... + 277250.

It is an arithmetic number, because the mean of its divisors is an integer number (4599056777).

Almost surely, 2^31534730564 is an apocalyptic number.

It is an amenable number.

31534730564 is a deficient number, since it is larger than the sum of its proper divisors (23653950760).

31534730564 is a wasteful number, since it uses less digits than its factorization.

31534730564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414694 (or 414692 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 41.

The spelling of 31534730564 in words is "thirty-one billion, five hundred thirty-four million, seven hundred thirty thousand, five hundred sixty-four".