313258 has 16 divisors (see below), whose sum is σ = 531360. Its totient is φ = 137200.

The previous prime is 313249. The next prime is 313267. The reversal of 313258 is 852313.

313258 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (313249) and next prime (313267).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393 + ... + 883.

It is an arithmetic number, because the mean of its divisors is an integer number (33210).

2³¹³²⁵⁸ is an apocalyptic number.

313258 is a deficient number, since it is larger than the sum of its proper divisors (218102).

313258 is a wasteful number, since it uses less digits than its factorization.

313258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533.

The product of its digits is 720, while the sum is 22.

The square root of 313258 is about 559.6945595591. The cubic root of 313258 is about 67.9152635405.

Subtracting from 313258 its sum of digits (22), we obtain a triangular number (313236 = T₇₉₁).

The spelling of 313258 in words is "three hundred thirteen thousand, two hundred fifty-eight".