313655 has 4 divisors (see below), whose sum is σ = 376392. Its totient is φ = 250920.

The previous prime is 313639. The next prime is 313661. The reversal of 313655 is 556313.

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

It is not a de Polignac number, because 313655 - 2⁴ = 313639 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 313655.

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 313655.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31361 + ... + 31370.

It is an arithmetic number, because the mean of its divisors is an integer number (94098).

2³¹³⁶⁵⁵ is an apocalyptic number.

313655 is a deficient number, since it is larger than the sum of its proper divisors (62737).

313655 is an equidigital number, since it uses as much as digits as its factorization.

313655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62736.

The product of its digits is 1350, while the sum is 23.

The square root of 313655 is about 560.0491049899. The cubic root of 313655 is about 67.9439416882.

Adding to 313655 its reverse (556313), we get a palindrome (869968).

The spelling of 313655 in words is "three hundred thirteen thousand, six hundred fifty-five".