232215545430931 has 2 divisors, whose sum is σ = 232215545430932. Its totient is φ = 232215545430930.

The previous prime is 232215545430829. The next prime is 232215545431063. The reversal of 232215545430931 is 139034545512232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 232215545430931 - 2¹³ = 232215545422739 is a prime.

It is a super-2 number, since 2×232215545430931² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (232215545490931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116107772715465 + 116107772715466.

It is an arithmetic number, because the mean of its divisors is an integer number (116107772715466).

Almost surely, 2^{232215545430931} is an apocalyptic number.

232215545430931 is a deficient number, since it is larger than the sum of its proper divisors (1).

232215545430931 is an equidigital number, since it uses as much as digits as its factorization.

232215545430931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 232215545430931 in words is "two hundred thirty-two trillion, two hundred fifteen billion, five hundred forty-five million, four hundred thirty thousand, nine hundred thirty-one".