315272552305213 has 2 divisors, whose sum is σ = 315272552305214. Its totient is φ = 315272552305212.

The previous prime is 315272552305187. The next prime is 315272552305223. The reversal of 315272552305213 is 312503255272513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 308100155939524 + 7172396365689 = 17552782^2 + 2678133^2 .

It is a cyclic number.

It is not a de Polignac number, because 315272552305213 - 2⁹ = 315272552304701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315272552305223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157636276152606 + 157636276152607.

It is an arithmetic number, because the mean of its divisors is an integer number (157636276152607).

Almost surely, 2^{315272552305213} is an apocalyptic number.

It is an amenable number.

315272552305213 is a deficient number, since it is larger than the sum of its proper divisors (1).

315272552305213 is an equidigital number, since it uses as much as digits as its factorization.

315272552305213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890000, while the sum is 46.

The spelling of 315272552305213 in words is "three hundred fifteen trillion, two hundred seventy-two billion, five hundred fifty-two million, three hundred five thousand, two hundred thirteen".