315165745231147 has 2 divisors, whose sum is σ = 315165745231148. Its totient is φ = 315165745231146.

The previous prime is 315165745231097. The next prime is 315165745231159. The reversal of 315165745231147 is 741132547561513.

It is a strong prime.

It is an emirp because it is prime and its reverse (741132547561513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315165745231147 - 2²⁷ = 315165611013419 is a prime.

It is not a weakly prime, because it can be changed into another prime (315165745231747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157582872615573 + 157582872615574.

It is an arithmetic number, because the mean of its divisors is an integer number (157582872615574).

Almost surely, 2^{315165745231147} is an apocalyptic number.

315165745231147 is a deficient number, since it is larger than the sum of its proper divisors (1).

315165745231147 is an equidigital number, since it uses as much as digits as its factorization.

315165745231147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584000, while the sum is 55.

The spelling of 315165745231147 in words is "three hundred fifteen trillion, one hundred sixty-five billion, seven hundred forty-five million, two hundred thirty-one thousand, one hundred forty-seven".