31322313120120 has 128 divisors (see below), whose sum is σ = 103953182906880. Its totient is φ = 7486340288000.

The previous prime is 31322313120013. The next prime is 31322313120167. The reversal of 31322313120120 is 2102131322313.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167012091 + ... + 167199530.

It is an arithmetic number, because the mean of its divisors is an integer number (812134241460).

Almost surely, 2^{31322313120120} is an apocalyptic number.

31322313120120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31322313120120 is an abundant number, since it is smaller than the sum of its proper divisors (72630869786760).

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

31322313120120 is a wasteful number, since it uses less digits than its factorization.

31322313120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334211717 (or 334211713 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 31322313120120 its reverse (2102131322313), we get a palindrome (33424444442433).

The spelling of 31322313120120 in words is "thirty-one trillion, three hundred twenty-two billion, three hundred thirteen million, one hundred twenty thousand, one hundred twenty".