231624057089 has 2 divisors, whose sum is σ = 231624057090. Its totient is φ = 231624057088.

The previous prime is 231624057053. The next prime is 231624057113. The reversal of 231624057089 is 980750426132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159280810000 + 72343247089 = 399100^2 + 268967^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231624057089 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (231624057019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115812028544 + 115812028545.

It is an arithmetic number, because the mean of its divisors is an integer number (115812028545).

It is a 1-persistent number, because it is pandigital, but 2⋅231624057089 = 463248114178 is not.

Almost surely, 2^231624057089 is an apocalyptic number.

It is an amenable number.

231624057089 is a deficient number, since it is larger than the sum of its proper divisors (1).

231624057089 is an equidigital number, since it uses as much as digits as its factorization.

231624057089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 231624057089 in words is "two hundred thirty-one billion, six hundred twenty-four million, fifty-seven thousand, eighty-nine".