231122211032 has 32 divisors (see below), whose sum is σ = 457919654400. Its totient is φ = 109137503904.

The previous prime is 231122211017. The next prime is 231122211053. The reversal of 231122211032 is 230112221132.

It is a junction number, because it is equal to n+sod(n) for n = 231122210995 and 231122211013.

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, 7935458 + ... + 7964529.

It is an arithmetic number, because the mean of its divisors is an integer number (14309989200).

Almost surely, 2^231122211032 is an apocalyptic number.

It is an amenable number.

231122211032 is a deficient number, since it is larger than the sum of its proper divisors (226797443368).

231122211032 is a wasteful number, since it uses less digits than its factorization.

231122211032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15900095 (or 15900091 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 231122211032 its reverse (230112221132), we get a palindrome (461234432164).

The spelling of 231122211032 in words is "two hundred thirty-one billion, one hundred twenty-two million, two hundred eleven thousand, thirty-two".