312831593959 has 2 divisors, whose sum is σ = 312831593960. Its totient is φ = 312831593958.

The previous prime is 312831593903. The next prime is 312831593993. The reversal of 312831593959 is 959395138213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312831593959 - 2¹¹ = 312831591911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312831591959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156415796979 + 156415796980.

It is an arithmetic number, because the mean of its divisors is an integer number (156415796980).

Almost surely, 2^312831593959 is an apocalyptic number.

312831593959 is a deficient number, since it is larger than the sum of its proper divisors (1).

312831593959 is an equidigital number, since it uses as much as digits as its factorization.

312831593959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7873200, while the sum is 58.

The spelling of 312831593959 in words is "three hundred twelve billion, eight hundred thirty-one million, five hundred ninety-three thousand, nine hundred fifty-nine".