313057 has 4 divisors (see below), whose sum is σ = 321556. Its totient is φ = 304560.

The previous prime is 313037. The next prime is 313081. The reversal of 313057 is 750313.

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

It can be written as a sum of positive squares in 2 ways, for example, as 271441 + 41616 = 521^2 + 204^2 .

It is a cyclic number.

It is not a de Polignac number, because 313057 - 2⁷ = 312929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313037) 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, 4194 + ... + 4267.

It is an arithmetic number, because the mean of its divisors is an integer number (80389).

2³¹³⁰⁵⁷ is an apocalyptic number.

313057 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

313057 is a deficient number, since it is larger than the sum of its proper divisors (8499).

313057 is an equidigital number, since it uses as much as digits as its factorization.

313057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8498.

The product of its (nonzero) digits is 315, while the sum is 19.

The square root of 313057 is about 559.5149685218. The cubic root of 313057 is about 67.9007346339.

The spelling of 313057 in words is "three hundred thirteen thousand, fifty-seven".