31133012112320 has 28 divisors (see below), whose sum is σ = 74135485093224. Its totient is φ = 12453204844800.

The previous prime is 31133012112299. The next prime is 31133012112337. The reversal of 31133012112320 is 2321121033113.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 48645331106 + ... + 48645331745.

Almost surely, 2^{31133012112320} is an apocalyptic number.

It is an amenable number.

31133012112320 is an abundant number, since it is smaller than the sum of its proper divisors (43002472980904).

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

31133012112320 is an equidigital number, since it uses as much as digits as its factorization.

31133012112320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97290662868 (or 97290662858 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 31133012112320 its reverse (2321121033113), we get a palindrome (33454133145433).

The spelling of 31133012112320 in words is "thirty-one trillion, one hundred thirty-three billion, twelve million, one hundred twelve thousand, three hundred twenty".