31133102211320 has 64 divisors (see below), whose sum is σ = 72310246041600. Its totient is φ = 12051339200640.

The previous prime is 31133102211247. The next prime is 31133102211349. The reversal of 31133102211320 is 2311220133113.

It is a super-2 number, since 2×31133102211320² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 103562267 + ... + 103862453.

It is an arithmetic number, because the mean of its divisors is an integer number (1129847594400).

Almost surely, 2^{31133102211320} is an apocalyptic number.

It is an amenable number.

31133102211320 is an abundant number, since it is smaller than the sum of its proper divisors (41177143830280).

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

31133102211320 is a wasteful number, since it uses less digits than its factorization.

31133102211320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383868 (or 383864 counting only the distinct ones).

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

Adding to 31133102211320 its reverse (2311220133113), we get a palindrome (33444322344433).

The spelling of 31133102211320 in words is "thirty-one trillion, one hundred thirty-three billion, one hundred two million, two hundred eleven thousand, three hundred twenty".