315263217774227 has 2 divisors, whose sum is σ = 315263217774228. Its totient is φ = 315263217774226.

The previous prime is 315263217774209. The next prime is 315263217774233. The reversal of 315263217774227 is 722477712362513.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315263217774227 is a prime.

It is not a weakly prime, because it can be changed into another prime (315263217974227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157631608887113 + 157631608887114.

It is an arithmetic number, because the mean of its divisors is an integer number (157631608887114).

Almost surely, 2^{315263217774227} is an apocalyptic number.

315263217774227 is a deficient number, since it is larger than the sum of its proper divisors (1).

315263217774227 is an equidigital number, since it uses as much as digits as its factorization.

315263217774227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41489280, while the sum is 59.

The spelling of 315263217774227 in words is "three hundred fifteen trillion, two hundred sixty-three billion, two hundred seventeen million, seven hundred seventy-four thousand, two hundred twenty-seven".