232131320122 has 16 divisors (see below), whose sum is σ = 376924280040. Its totient is φ = 106582413312.

The previous prime is 232131320117. The next prime is 232131320147. The reversal of 232131320122 is 221023131232.

It can be written as a sum of positive squares in 4 ways, for example, as 110728552081 + 121402768041 = 332759^2 + 348429^2 .

It is a junction number, because it is equal to n+sod(n) for n = 232131320093 and 232131320102.

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, 23124847 + ... + 23134882.

Almost surely, 2^232131320122 is an apocalyptic number.

232131320122 is a deficient number, since it is larger than the sum of its proper divisors (144792959918).

232131320122 is a wasteful number, since it uses less digits than its factorization.

232131320122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46259937.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 232131320122 its reverse (221023131232), we get a palindrome (453154451354).

The spelling of 232131320122 in words is "two hundred thirty-two billion, one hundred thirty-one million, three hundred twenty thousand, one hundred twenty-two".