31294982432 has 48 divisors (see below), whose sum is σ = 72316802880. Its totient is φ = 13049641728.

The previous prime is 31294982417. The next prime is 31294982437. The reversal of 31294982432 is 23428949213.

It is not an unprimeable number, because it can be changed into a prime (31294982437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1879682 + ... + 1896257.

It is an arithmetic number, because the mean of its divisors is an integer number (1506600060).

Almost surely, 2^31294982432 is an apocalyptic number.

31294982432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31294982432 is an abundant number, since it is smaller than the sum of its proper divisors (41021820448).

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

31294982432 is a wasteful number, since it uses less digits than its factorization.

31294982432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3775993 (or 3775985 counting only the distinct ones).

The product of its digits is 746496, while the sum is 47.

The spelling of 31294982432 in words is "thirty-one billion, two hundred ninety-four million, nine hundred eighty-two thousand, four hundred thirty-two".