315310660129 has 2 divisors, whose sum is σ = 315310660130. Its totient is φ = 315310660128.

The previous prime is 315310660109. The next prime is 315310660139. The reversal of 315310660129 is 921066013513.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217857429504 + 97453230625 = 466752^2 + 312175^2 .

It is an emirp because it is prime and its reverse (921066013513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315310660129 - 2²³ = 315302271521 is a prime.

It is not a weakly prime, because it can be changed into another prime (315310660109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157655330064 + 157655330065.

It is an arithmetic number, because the mean of its divisors is an integer number (157655330065).

Almost surely, 2^315310660129 is an apocalyptic number.

It is an amenable number.

315310660129 is a deficient number, since it is larger than the sum of its proper divisors (1).

315310660129 is an equidigital number, since it uses as much as digits as its factorization.

315310660129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 37.

The spelling of 315310660129 in words is "three hundred fifteen billion, three hundred ten million, six hundred sixty thousand, one hundred twenty-nine".