313973087 has 4 divisors (see below), whose sum is σ = 314590440. Its totient is φ = 313355736.

The previous prime is 313973047. The next prime is 313973089. The reversal of 313973087 is 780379313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 313973087 - 2²⁰ = 312924511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313973089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307913 + ... + 308930.

It is an arithmetic number, because the mean of its divisors is an integer number (78647610).

Almost surely, 2^313973087 is an apocalyptic number.

313973087 is a deficient number, since it is larger than the sum of its proper divisors (617353).

313973087 is an equidigital number, since it uses as much as digits as its factorization.

313973087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617352.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 313973087 is about 17719.2857361689. The cubic root of 313973087 is about 679.6690192891.

The spelling of 313973087 in words is "three hundred thirteen million, nine hundred seventy-three thousand, eighty-seven".