232140431231 has 2 divisors, whose sum is σ = 232140431232. Its totient is φ = 232140431230.

The previous prime is 232140431207. The next prime is 232140431249. The reversal of 232140431231 is 132134041232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232140431231 is a prime.

It is a super-2 number, since 2×232140431231² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 232140431231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232140431251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116070215615 + 116070215616.

It is an arithmetic number, because the mean of its divisors is an integer number (116070215616).

Almost surely, 2^232140431231 is an apocalyptic number.

232140431231 is a deficient number, since it is larger than the sum of its proper divisors (1).

232140431231 is an equidigital number, since it uses as much as digits as its factorization.

232140431231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 232140431231 its reverse (132134041232), we get a palindrome (364274472463).

The spelling of 232140431231 in words is "two hundred thirty-two billion, one hundred forty million, four hundred thirty-one thousand, two hundred thirty-one".