315456346691 has 2 divisors, whose sum is σ = 315456346692. Its totient is φ = 315456346690.

The previous prime is 315456346651. The next prime is 315456346693. The reversal of 315456346691 is 196643654513.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315456346691 - 2³⁴ = 298276477507 is a prime.

Together with 315456346693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (315456346693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157728173345 + 157728173346.

It is an arithmetic number, because the mean of its divisors is an integer number (157728173346).

Almost surely, 2^315456346691 is an apocalyptic number.

315456346691 is a deficient number, since it is larger than the sum of its proper divisors (1).

315456346691 is an equidigital number, since it uses as much as digits as its factorization.

315456346691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6998400, while the sum is 53.

The spelling of 315456346691 in words is "three hundred fifteen billion, four hundred fifty-six million, three hundred forty-six thousand, six hundred ninety-one".