232331020331 has 2 divisors, whose sum is σ = 232331020332. Its totient is φ = 232331020330.

The previous prime is 232331020247. The next prime is 232331020349. The reversal of 232331020331 is 133020133232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232331020331 is a prime.

It is a super-2 number, since 2×232331020331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 232331020297 and 232331020306.

It is not a weakly prime, because it can be changed into another prime (232331020381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116165510165 + 116165510166.

It is an arithmetic number, because the mean of its divisors is an integer number (116165510166).

Almost surely, 2^232331020331 is an apocalyptic number.

232331020331 is a deficient number, since it is larger than the sum of its proper divisors (1).

232331020331 is an equidigital number, since it uses as much as digits as its factorization.

232331020331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 232331020331 its reverse (133020133232), we get a palindrome (365351153563).

The spelling of 232331020331 in words is "two hundred thirty-two billion, three hundred thirty-one million, twenty thousand, three hundred thirty-one".