313112112232987 has 2 divisors, whose sum is σ = 313112112232988. Its totient is φ = 313112112232986.

The previous prime is 313112112232981. The next prime is 313112112233233. The reversal of 313112112232987 is 789232211211313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313112112232987 - 2¹⁹ = 313112111708699 is a prime.

It is not a weakly prime, because it can be changed into another prime (313112112232981) 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, 156556056116493 + 156556056116494.

It is an arithmetic number, because the mean of its divisors is an integer number (156556056116494).

Almost surely, 2^{313112112232987} is an apocalyptic number.

313112112232987 is a deficient number, since it is larger than the sum of its proper divisors (1).

313112112232987 is an equidigital number, since it uses as much as digits as its factorization.

313112112232987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 46.

The spelling of 313112112232987 in words is "three hundred thirteen trillion, one hundred twelve billion, one hundred twelve million, two hundred thirty-two thousand, nine hundred eighty-seven".