231304403983 has 2 divisors, whose sum is σ = 231304403984. Its totient is φ = 231304403982.

The previous prime is 231304403969. The next prime is 231304404007. The reversal of 231304403983 is 389304403132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231304403983 - 2³³ = 222714469391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231304403903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115652201991 + 115652201992.

It is an arithmetic number, because the mean of its divisors is an integer number (115652201992).

Almost surely, 2^231304403983 is an apocalyptic number.

231304403983 is a deficient number, since it is larger than the sum of its proper divisors (1).

231304403983 is an equidigital number, since it uses as much as digits as its factorization.

231304403983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 231304403983 in words is "two hundred thirty-one billion, three hundred four million, four hundred three thousand, nine hundred eighty-three".