232313331231 has 16 divisors (see below), whose sum is σ = 344175565920. Its totient is φ = 154872103680.

The previous prime is 232313331221. The next prime is 232313331247. The reversal of 232313331231 is 132133313232.

232313331231 is a `hidden beast` number, since 2 + 3 + 2 + 313 + 3 + 312 + 31 = 666.

It is not a de Polignac number, because 232313331231 - 2⁹ = 232313330719 is a prime.

It is a super-2 number, since 2×232313331231² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 232313331195 and 232313331204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232313331221) 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, 1876261 + ... + 1996241.

It is an arithmetic number, because the mean of its divisors is an integer number (21510972870).

Almost surely, 2^232313331231 is an apocalyptic number.

232313331231 is a deficient number, since it is larger than the sum of its proper divisors (111862234689).

232313331231 is a wasteful number, since it uses less digits than its factorization.

232313331231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191703 (or 191697 counting only the distinct ones).

The product of its digits is 5832, while the sum is 27.

Adding to 232313331231 its reverse (132133313232), we get a palindrome (364446644463).

The spelling of 232313331231 in words is "two hundred thirty-two billion, three hundred thirteen million, three hundred thirty-one thousand, two hundred thirty-one".