315032415013 has 2 divisors, whose sum is σ = 315032415014. Its totient is φ = 315032415012.

The previous prime is 315032414971. The next prime is 315032415059. The reversal of 315032415013 is 310514230513.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 234548427204 + 80483987809 = 484302^2 + 283697^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315032415013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315032415613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157516207506 + 157516207507.

It is an arithmetic number, because the mean of its divisors is an integer number (157516207507).

Almost surely, 2^315032415013 is an apocalyptic number.

It is an amenable number.

315032415013 is a deficient number, since it is larger than the sum of its proper divisors (1).

315032415013 is an equidigital number, since it uses as much as digits as its factorization.

315032415013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 315032415013 its reverse (310514230513), we get a palindrome (625546645526).

The spelling of 315032415013 in words is "three hundred fifteen billion, thirty-two million, four hundred fifteen thousand, thirteen".