31464540564 has 24 divisors (see below), whose sum is σ = 73551494688. Its totient is φ = 10469004000.

The previous prime is 31464540557. The next prime is 31464540587. The reversal of 31464540564 is 46504546413.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2390187 + ... + 2403314.

It is an arithmetic number, because the mean of its divisors is an integer number (3064645612).

Almost surely, 2^31464540564 is an apocalyptic number.

It is an amenable number.

31464540564 is an abundant number, since it is smaller than the sum of its proper divisors (42086954124).

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

31464540564 is a wasteful number, since it uses less digits than its factorization.

31464540564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4794055 (or 4794053 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 31464540564 in words is "thirty-one billion, four hundred sixty-four million, five hundred forty thousand, five hundred sixty-four".