317339797 has 4 divisors (see below), whose sum is σ = 317380140. Its totient is φ = 317299456.

The previous prime is 317339791. The next prime is 317339801. The reversal of 317339797 is 797933713.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 797933713 = 71 ⋅11238503.

It can be written as a sum of positive squares in 2 ways, for example, as 311381316 + 5958481 = 17646^2 + 2441^2 .

It is a cyclic number.

It is not a de Polignac number, because 317339797 - 2²³ = 308951189 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 317339797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317339791) 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, 4108 + ... + 25525.

It is an arithmetic number, because the mean of its divisors is an integer number (79345035).

Almost surely, 2^317339797 is an apocalyptic number.

It is an amenable number.

317339797 is a deficient number, since it is larger than the sum of its proper divisors (40343).

317339797 is a wasteful number, since it uses less digits than its factorization.

317339797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40342.

The product of its digits is 750141, while the sum is 49.

The square root of 317339797 is about 17814.0337094101. The cubic root of 317339797 is about 682.0897341529.

The spelling of 317339797 in words is "three hundred seventeen million, three hundred thirty-nine thousand, seven hundred ninety-seven".