312312850867 has 2 divisors, whose sum is σ = 312312850868. Its totient is φ = 312312850866.

The previous prime is 312312850859. The next prime is 312312850897. The reversal of 312312850867 is 768058213213.

It is a weak prime.

It is an emirp because it is prime and its reverse (768058213213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312312850867 - 2³ = 312312850859 is a prime.

It is not a weakly prime, because it can be changed into another prime (312312850897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156156425433 + 156156425434.

It is an arithmetic number, because the mean of its divisors is an integer number (156156425434).

Almost surely, 2^312312850867 is an apocalyptic number.

312312850867 is a deficient number, since it is larger than the sum of its proper divisors (1).

312312850867 is an equidigital number, since it uses as much as digits as its factorization.

312312850867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 312312850867 in words is "three hundred twelve billion, three hundred twelve million, eight hundred fifty thousand, eight hundred sixty-seven".