312775662515941 has 2 divisors, whose sum is σ = 312775662515942. Its totient is φ = 312775662515940.

The previous prime is 312775662515933. The next prime is 312775662515977. The reversal of 312775662515941 is 149515266577213.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308123466474916 + 4652196041025 = 17553446^2 + 2156895^2 .

It is an emirp because it is prime and its reverse (149515266577213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312775662515941 - 2³ = 312775662515933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312775662515341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156387831257970 + 156387831257971.

It is an arithmetic number, because the mean of its divisors is an integer number (156387831257971).

Almost surely, 2^{312775662515941} is an apocalyptic number.

It is an amenable number.

312775662515941 is a deficient number, since it is larger than the sum of its proper divisors (1).

312775662515941 is an equidigital number, since it uses as much as digits as its factorization.

312775662515941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256000, while the sum is 64.

The spelling of 312775662515941 in words is "three hundred twelve trillion, seven hundred seventy-five billion, six hundred sixty-two million, five hundred fifteen thousand, nine hundred forty-one".