313255561523 has 16 divisors (see below), whose sum is σ = 337069257600. Its totient is φ = 290226654720.

The previous prime is 313255561501. The next prime is 313255561559. The reversal of 313255561523 is 325165552313.

It is a cyclic number.

It is not a de Polignac number, because 313255561523 - 2²⁰ = 313254512947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313255561123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507593 + ... + 940298.

It is an arithmetic number, because the mean of its divisors is an integer number (21066828600).

Almost surely, 2^313255561523 is an apocalyptic number.

313255561523 is a deficient number, since it is larger than the sum of its proper divisors (23813696077).

313255561523 is a wasteful number, since it uses less digits than its factorization.

313255561523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448162.

The product of its digits is 405000, while the sum is 41.

The spelling of 313255561523 in words is "three hundred thirteen billion, two hundred fifty-five million, five hundred sixty-one thousand, five hundred twenty-three".