31022332012 has 48 divisors (see below), whose sum is σ = 64771015680. Its totient is φ = 12711580992.

The previous prime is 31022331973. The next prime is 31022332063. The reversal of 31022332012 is 21023322013.

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 15 ways as a sum of consecutive naturals, for example, 1637289 + ... + 1656127.

It is an arithmetic number, because the mean of its divisors is an integer number (1349396160).

Almost surely, 2^31022332012 is an apocalyptic number.

It is an amenable number.

31022332012 is an abundant number, since it is smaller than the sum of its proper divisors (33748683668).

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

31022332012 is a wasteful number, since it uses less digits than its factorization.

31022332012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21430 (or 21428 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 31022332012 its reverse (21023322013), we get a palindrome (52045654025).

Subtracting from 31022332012 its reverse (21023322013), we obtain a palindrome (9999009999).

The spelling of 31022332012 in words is "thirty-one billion, twenty-two million, three hundred thirty-two thousand, twelve".