312670988517883 has 2 divisors, whose sum is σ = 312670988517884. Its totient is φ = 312670988517882.

The previous prime is 312670988517859. The next prime is 312670988517893. The reversal of 312670988517883 is 388715889076213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312670988517883 is a prime.

It is not a weakly prime, because it can be changed into another prime (312670988517893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156335494258941 + 156335494258942.

It is an arithmetic number, because the mean of its divisors is an integer number (156335494258942).

Almost surely, 2^{312670988517883} is an apocalyptic number.

312670988517883 is a deficient number, since it is larger than the sum of its proper divisors (1).

312670988517883 is an equidigital number, since it uses as much as digits as its factorization.

312670988517883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 975421440, while the sum is 76.

The spelling of 312670988517883 in words is "three hundred twelve trillion, six hundred seventy billion, nine hundred eighty-eight million, five hundred seventeen thousand, eight hundred eighty-three".