313326497 has 4 divisors (see below), whose sum is σ = 341810736. Its totient is φ = 284842260.

The previous prime is 313326491. The next prime is 313326529. The reversal of 313326497 is 794623313.

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 313326497 - 2²⁰ = 312277921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313326497.

It is not an unprimeable number, because it can be changed into a prime (313326491) 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, 14242103 + ... + 14242124.

It is an arithmetic number, because the mean of its divisors is an integer number (85452684).

Almost surely, 2^313326497 is an apocalyptic number.

It is an amenable number.

313326497 is a deficient number, since it is larger than the sum of its proper divisors (28484239).

313326497 is a wasteful number, since it uses less digits than its factorization.

313326497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28484238.

The product of its digits is 81648, while the sum is 38.

The square root of 313326497 is about 17701.0309586758. The cubic root of 313326497 is about 679.2021329734.

The spelling of 313326497 in words is "three hundred thirteen million, three hundred twenty-six thousand, four hundred ninety-seven".