313145663210165 has 16 divisors (see below), whose sum is σ = 376788145893120. Its totient is φ = 249841345467840.

The previous prime is 313145663210143. The next prime is 313145663210189. The reversal of 313145663210165 is 561012366541313.

It is not a de Polignac number, because 313145663210165 - 2²⁰ = 313145662161589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17282339 + ... + 30413328.

It is an arithmetic number, because the mean of its divisors is an integer number (23549259118320).

Almost surely, 2^{313145663210165} is an apocalyptic number.

It is an amenable number.

313145663210165 is a deficient number, since it is larger than the sum of its proper divisors (63642482682955).

313145663210165 is a wasteful number, since it uses less digits than its factorization.

313145663210165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47699212.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 313145663210165 in words is "three hundred thirteen trillion, one hundred forty-five billion, six hundred sixty-three million, two hundred ten thousand, one hundred sixty-five".