31291940596 has 48 divisors (see below), whose sum is σ = 66579553152. Its totient is φ = 12562099200.

The previous prime is 31291940567. The next prime is 31291940621. The reversal of 31291940596 is 69504919213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55345 + ... + 256216.

It is an arithmetic number, because the mean of its divisors is an integer number (1387074024).

Almost surely, 2^31291940596 is an apocalyptic number.

It is an amenable number.

31291940596 is an abundant number, since it is smaller than the sum of its proper divisors (35287612556).

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

31291940596 is a wasteful number, since it uses less digits than its factorization.

31291940596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311800 (or 311798 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 49.

The spelling of 31291940596 in words is "thirty-one billion, two hundred ninety-one million, nine hundred forty thousand, five hundred ninety-six".