230231355631 has 2 divisors, whose sum is σ = 230231355632. Its totient is φ = 230231355630.

The previous prime is 230231355617. The next prime is 230231355637. The reversal of 230231355631 is 136553132032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230231355631 - 2²⁵ = 230197801199 is a prime.

It is a super-2 number, since 2×230231355631² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230231355637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115115677815 + 115115677816.

It is an arithmetic number, because the mean of its divisors is an integer number (115115677816).

Almost surely, 2^230231355631 is an apocalyptic number.

230231355631 is a deficient number, since it is larger than the sum of its proper divisors (1).

230231355631 is an equidigital number, since it uses as much as digits as its factorization.

230231355631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 34.

Adding to 230231355631 its reverse (136553132032), we get a palindrome (366784487663).

The spelling of 230231355631 in words is "two hundred thirty billion, two hundred thirty-one million, three hundred fifty-five thousand, six hundred thirty-one".