31122013102232 has 32 divisors (see below), whose sum is σ = 62844373443600. Its totient is φ = 14363583878784.

The previous prime is 31122013102223. The next prime is 31122013102249. The reversal of 31122013102232 is 23220131022113.

It is a junction number, because it is equal to n+sod(n) for n = 31122013102198 and 31122013102207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 828182 + ... + 7932837.

Almost surely, 2^{31122013102232} is an apocalyptic number.

It is an amenable number.

31122013102232 is an abundant number, since it is smaller than the sum of its proper divisors (31722360341368).

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

31122013102232 is a wasteful number, since it uses less digits than its factorization.

31122013102232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8795195 (or 8795191 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 31122013102232 its reverse (23220131022113), we get a palindrome (54342144124345).

The spelling of 31122013102232 in words is "thirty-one trillion, one hundred twenty-two billion, thirteen million, one hundred two thousand, two hundred thirty-two".