313220115544145 has 16 divisors (see below), whose sum is σ = 383919578592768. Its totient is φ = 245207419437120.

The previous prime is 313220115544087. The next prime is 313220115544157. The reversal of 313220115544145 is 541445511022313.

It is not a de Polignac number, because 313220115544145 - 2⁸ = 313220115543889 is a prime.

It is a Duffinian 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, 99718589 + ... + 102811658.

It is an arithmetic number, because the mean of its divisors is an integer number (23994973662048).

Almost surely, 2^{313220115544145} is an apocalyptic number.

It is an amenable number.

313220115544145 is a deficient number, since it is larger than the sum of its proper divisors (70699463048623).

313220115544145 is a wasteful number, since it uses less digits than its factorization.

313220115544145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202536880.

The product of its (nonzero) digits is 288000, while the sum is 41.

Adding to 313220115544145 its reverse (541445511022313), we get a palindrome (854665626566458).

The spelling of 313220115544145 in words is "three hundred thirteen trillion, two hundred twenty billion, one hundred fifteen million, five hundred forty-four thousand, one hundred forty-five".