315122634122539 has 2 divisors, whose sum is σ = 315122634122540. Its totient is φ = 315122634122538.

The previous prime is 315122634122533. The next prime is 315122634122561. The reversal of 315122634122539 is 935221436221513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315122634122539 - 2⁹ = 315122634122027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315122634122492 and 315122634122501.

It is not a weakly prime, because it can be changed into another prime (315122634122533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157561317061269 + 157561317061270.

It is an arithmetic number, because the mean of its divisors is an integer number (157561317061270).

Almost surely, 2^{315122634122539} is an apocalyptic number.

315122634122539 is a deficient number, since it is larger than the sum of its proper divisors (1).

315122634122539 is an equidigital number, since it uses as much as digits as its factorization.

315122634122539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2332800, while the sum is 49.

The spelling of 315122634122539 in words is "three hundred fifteen trillion, one hundred twenty-two billion, six hundred thirty-four million, one hundred twenty-two thousand, five hundred thirty-nine".