315453054641513 has 2 divisors, whose sum is σ = 315453054641514. Its totient is φ = 315453054641512.

The previous prime is 315453054641339. The next prime is 315453054641521. The reversal of 315453054641513 is 315146450354513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 304269133529344 + 11183921112169 = 17443312^2 + 3344237^2 .

It is a cyclic number.

It is not a de Polignac number, because 315453054641513 - 2²² = 315453050447209 is a prime.

It is a super-2 number, since 2×315453054641513² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (315453054641533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157726527320756 + 157726527320757.

It is an arithmetic number, because the mean of its divisors is an integer number (157726527320757).

Almost surely, 2^{315453054641513} is an apocalyptic number.

It is an amenable number.

315453054641513 is a deficient number, since it is larger than the sum of its proper divisors (1).

315453054641513 is an equidigital number, since it uses as much as digits as its factorization.

315453054641513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480000, while the sum is 50.

The spelling of 315453054641513 in words is "three hundred fifteen trillion, four hundred fifty-three billion, fifty-four million, six hundred forty-one thousand, five hundred thirteen".