313397 has 4 divisors (see below), whose sum is σ = 358176. Its totient is φ = 268620.

The previous prime is 313387. The next prime is 313399. The reversal of 313397 is 793313.

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, and also an emirpimes, since its reverse is a distinct semiprime: 793313 = 47 ⋅16879.

It is a cyclic number.

It is not a de Polignac number, because 313397 - 2⁴ = 313381 is a prime.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 313397.

It is not an unprimeable number, because it can be changed into a prime (313399) 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, 22379 + ... + 22392.

It is an arithmetic number, because the mean of its divisors is an integer number (89544).

2³¹³³⁹⁷ is an apocalyptic number.

It is an amenable number.

313397 is a deficient number, since it is larger than the sum of its proper divisors (44779).

313397 is an equidigital number, since it uses as much as digits as its factorization.

313397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44778.

The product of its digits is 1701, while the sum is 26.

The square root of 313397 is about 559.8187206588. The cubic root of 313397 is about 67.9253072592.

The spelling of 313397 in words is "three hundred thirteen thousand, three hundred ninety-seven".