31332132212232 has 64 divisors (see below), whose sum is σ = 79435449308160. Its totient is φ = 10296701844800.

The previous prime is 31332132212207. The next prime is 31332132212273. The reversal of 31332132212232 is 23221223123313.

It is a super-2 number, since 2×31332132212232² (a number of 28 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 31332132212232.

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, 80901883 + ... + 81288245.

It is an arithmetic number, because the mean of its divisors is an integer number (1241178895440).

Almost surely, 2^{31332132212232} is an apocalyptic number.

It is an amenable number.

31332132212232 is an abundant number, since it is smaller than the sum of its proper divisors (48103317095928).

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

31332132212232 is a wasteful number, since it uses less digits than its factorization.

31332132212232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434034 (or 434030 counting only the distinct ones).

The product of its digits is 15552, while the sum is 30.

Adding to 31332132212232 its reverse (23221223123313), we get a palindrome (54553355335545).

The spelling of 31332132212232 in words is "thirty-one trillion, three hundred thirty-two billion, one hundred thirty-two million, two hundred twelve thousand, two hundred thirty-two".