232331322131 has 2 divisors, whose sum is σ = 232331322132. Its totient is φ = 232331322130.

The previous prime is 232331322107. The next prime is 232331322163. The reversal of 232331322131 is 131223133232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 232331322131 - 2¹⁰ = 232331321107 is a prime.

It is a super-2 number, since 2×232331322131² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 232331322131.

It is not a weakly prime, because it can be changed into another prime (232331322191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116165661065 + 116165661066.

It is an arithmetic number, because the mean of its divisors is an integer number (116165661066).

Almost surely, 2^232331322131 is an apocalyptic number.

232331322131 is a deficient number, since it is larger than the sum of its proper divisors (1).

232331322131 is an equidigital number, since it uses as much as digits as its factorization.

232331322131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 26.

Adding to 232331322131 its reverse (131223133232), we get a palindrome (363554455363).

The spelling of 232331322131 in words is "two hundred thirty-two billion, three hundred thirty-one million, three hundred twenty-two thousand, one hundred thirty-one".