231313118063 has 2 divisors, whose sum is σ = 231313118064. Its totient is φ = 231313118062.

The previous prime is 231313118053. The next prime is 231313118081. The reversal of 231313118063 is 360811313132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231313118063 - 2²² = 231308923759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231313118033) 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, 115656559031 + 115656559032.

It is an arithmetic number, because the mean of its divisors is an integer number (115656559032).

Almost surely, 2^231313118063 is an apocalyptic number.

231313118063 is a deficient number, since it is larger than the sum of its proper divisors (1).

231313118063 is an equidigital number, since it uses as much as digits as its factorization.

231313118063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 231313118063 in words is "two hundred thirty-one billion, three hundred thirteen million, one hundred eighteen thousand, sixty-three".