232000131231 has 80 divisors (see below), whose sum is σ = 413228141568. Its totient is φ = 128066054400.

The previous prime is 232000131173. The next prime is 232000131263. The reversal of 232000131231 is 132131000232.

232000131231 is a `hidden beast` number, since 2 + 320 + 0 + 0 + 1 + 312 + 31 = 666.

It is not a de Polignac number, because 232000131231 - 2¹¹ = 232000129183 is a prime.

It is a super-2 number, since 2×232000131231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232000131331) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 222516 + ... + 716598.

Almost surely, 2^232000131231 is an apocalyptic number.

232000131231 is a deficient number, since it is larger than the sum of its proper divisors (181228010337).

232000131231 is a wasteful number, since it uses less digits than its factorization.

232000131231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494154 (or 494145 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 232000131231 its reverse (132131000232), we get a palindrome (364131131463).

The spelling of 232000131231 in words is "two hundred thirty-two billion, one hundred thirty-one thousand, two hundred thirty-one".