31324231232 has 56 divisors (see below), whose sum is σ = 73330490880. Its totient is φ = 12991610880.

The previous prime is 31324231189. The next prime is 31324231273. The reversal of 31324231232 is 23213242313.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1113857 + ... + 1141632.

Almost surely, 2^31324231232 is an apocalyptic number.

31324231232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31324231232 is an abundant number, since it is smaller than the sum of its proper divisors (42006259648).

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

31324231232 is a wasteful number, since it uses less digits than its factorization.

31324231232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255539 (or 2255529 counting only the distinct ones).

The product of its digits is 5184, while the sum is 26.

Adding to 31324231232 its reverse (23213242313), we get a palindrome (54537473545).

The spelling of 31324231232 in words is "thirty-one billion, three hundred twenty-four million, two hundred thirty-one thousand, two hundred thirty-two".