231363602051 has 2 divisors, whose sum is σ = 231363602052. Its totient is φ = 231363602050.

The previous prime is 231363602027. The next prime is 231363602069. The reversal of 231363602051 is 150206363132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231363602051 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 231363601999 and 231363602017.

It is not a weakly prime, because it can be changed into another prime (231363602021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115681801025 + 115681801026.

It is an arithmetic number, because the mean of its divisors is an integer number (115681801026).

Almost surely, 2^231363602051 is an apocalyptic number.

231363602051 is a deficient number, since it is larger than the sum of its proper divisors (1).

231363602051 is an equidigital number, since it uses as much as digits as its factorization.

231363602051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 32.

Adding to 231363602051 its reverse (150206363132), we get a palindrome (381569965183).

The spelling of 231363602051 in words is "two hundred thirty-one billion, three hundred sixty-three million, six hundred two thousand, fifty-one".