313197 has 4 divisors (see below), whose sum is σ = 417600. Its totient is φ = 208796.

The previous prime is 313163. The next prime is 313207. The reversal of 313197 is 791313.

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.

It is a cyclic number.

It is not a de Polignac number, because 313197 - 2⁶ = 313133 is a prime.

It is a D-number.

313197 is a lucky 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 313197.

It is not an unprimeable number, because it can be changed into a prime (313127) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 52197 + ... + 52202.

It is an arithmetic number, because the mean of its divisors is an integer number (104400).

2³¹³¹⁹⁷ is an apocalyptic number.

It is an amenable number.

313197 is a deficient number, since it is larger than the sum of its proper divisors (104403).

313197 is a wasteful number, since it uses less digits than its factorization.

313197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104402.

The product of its digits is 567, while the sum is 24.

The square root of 313197 is about 559.6400628976. The cubic root of 313197 is about 67.9108549274.

The spelling of 313197 in words is "three hundred thirteen thousand, one hundred ninety-seven".