313318 has 4 divisors (see below), whose sum is σ = 469980.
Its totient is φ = 156658.
The previous prime is 313307. The next prime is 313321. The reversal of 313318 is 813313.
313318 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a junction number, because it is equal to n+sod(n) for n = 313295 and 313304.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78328 + ... + 78331.
It is an arithmetic number, because the mean of its divisors is an integer number (117495).
2313318 is an apocalyptic number.
313318 is a deficient number, since it is larger than the sum of its proper divisors (156662).
313318 is a wasteful number, since it uses less digits than its factorization.
313318 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 156661.
The product of its digits is 216, while the sum is 19.
The square root of 313318 is about 559.7481576566.
The cubic root of 313318 is about 67.9195993230.
The spelling of 313318 in words is "three hundred thirteen thousand, three hundred eighteen".