31332388980 has 24 divisors (see below), whose sum is σ = 87730689312. Its totient is φ = 8355303712.

The previous prime is 31332388979. The next prime is 31332389059. The reversal of 31332388980 is 8988323313.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261103182 + ... + 261103301.

It is an arithmetic number, because the mean of its divisors is an integer number (3655445388).

Almost surely, 2^31332388980 is an apocalyptic number.

31332388980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31332388980 is an abundant number, since it is smaller than the sum of its proper divisors (56398300332).

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

31332388980 is a wasteful number, since it uses less digits than its factorization.

31332388980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522206495 (or 522206493 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 31332388980 in words is "thirty-one billion, three hundred thirty-two million, three hundred eighty-eight thousand, nine hundred eighty".