31322020330332 has 72 divisors (see below), whose sum is σ = 82972084968864. Its totient is φ = 9943869551616.

The previous prime is 31322020330319. The next prime is 31322020330361. The reversal of 31322020330332 is 23303302022313.

31322020330332 is a `hidden beast` number, since 3 + 1 + 322 + 0 + 2 + 0 + 3 + 3 + 0 + 332 = 666.

It is a super-2 number, since 2×31322020330332² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31322020330296 and 31322020330305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80984173 + ... + 81370020.

It is an arithmetic number, because the mean of its divisors is an integer number (1152390069012).

Almost surely, 2^{31322020330332} is an apocalyptic number.

It is an amenable number.

31322020330332 is an abundant number, since it is smaller than the sum of its proper divisors (51650064638532).

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

31322020330332 is a wasteful number, since it uses less digits than its factorization.

31322020330332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162354459 (or 162354454 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 27.

Adding to 31322020330332 its reverse (23303302022313), we get a palindrome (54625322352645).

The spelling of 31322020330332 in words is "thirty-one trillion, three hundred twenty-two billion, twenty million, three hundred thirty thousand, three hundred thirty-two".