313196397 has 4 divisors (see below), whose sum is σ = 417595200. Its totient is φ = 208797596.

The previous prime is 313196363. The next prime is 313196419. The reversal of 313196397 is 793691313.

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 313196397 - 2⁷ = 313196269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313196327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52199397 + ... + 52199402.

It is an arithmetic number, because the mean of its divisors is an integer number (104398800).

Almost surely, 2^313196397 is an apocalyptic number.

It is an amenable number.

313196397 is a deficient number, since it is larger than the sum of its proper divisors (104398803).

313196397 is a wasteful number, since it uses less digits than its factorization.

313196397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104398802.

The product of its digits is 91854, while the sum is 42.

The square root of 313196397 is about 17697.3556499269. The cubic root of 313196397 is about 679.1081134427.

The spelling of 313196397 in words is "three hundred thirteen million, one hundred ninety-six thousand, three hundred ninety-seven".