313875137 has 4 divisors (see below), whose sum is σ = 317848320. Its totient is φ = 309901956.

The previous prime is 313875119. The next prime is 313875139. The reversal of 313875137 is 731578313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 313875137 - 2⁸ = 313874881 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313875137.

It is not an unprimeable number, because it can be changed into a prime (313875139) 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, 1986473 + ... + 1986630.

It is an arithmetic number, because the mean of its divisors is an integer number (79462080).

Almost surely, 2^313875137 is an apocalyptic number.

It is an amenable number.

313875137 is a deficient number, since it is larger than the sum of its proper divisors (3973183).

313875137 is an equidigital number, since it uses as much as digits as its factorization.

313875137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3973182.

The product of its digits is 52920, while the sum is 38.

The square root of 313875137 is about 17716.5215829745. The cubic root of 313875137 is about 679.5983332894.

The spelling of 313875137 in words is "three hundred thirteen million, eight hundred seventy-five thousand, one hundred thirty-seven".