232321330131 has 16 divisors (see below), whose sum is σ = 352614193920. Its totient is φ = 134679031520.

The previous prime is 232321330127. The next prime is 232321330139. The reversal of 232321330131 is 131033123232.

It is not a de Polignac number, because 232321330131 - 2² = 232321330127 is a prime.

It is a super-2 number, since 2×232321330131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (232321330139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153043596 + ... + 153045113.

It is an arithmetic number, because the mean of its divisors is an integer number (22038387120).

Almost surely, 2^232321330131 is an apocalyptic number.

232321330131 is a deficient number, since it is larger than the sum of its proper divisors (120292863789).

232321330131 is a wasteful number, since it uses less digits than its factorization.

232321330131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306088746.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 232321330131 its reverse (131033123232), we get a palindrome (363354453363).

The spelling of 232321330131 in words is "two hundred thirty-two billion, three hundred twenty-one million, three hundred thirty thousand, one hundred thirty-one".