317339221 has 16 divisors (see below), whose sum is σ = 347442480. Its totient is φ = 288645120.

The previous prime is 317339203. The next prime is 317339279. The reversal of 317339221 is 122933713.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 15100996 + 302238225 = 3886^2 + 17385^2 .

It is a cyclic number.

It is not a de Polignac number, because 317339221 - 2⁷ = 317339093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317339291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73885 + ... + 78061.

It is an arithmetic number, because the mean of its divisors is an integer number (21715155).

Almost surely, 2^317339221 is an apocalyptic number.

It is an amenable number.

317339221 is a deficient number, since it is larger than the sum of its proper divisors (30103259).

317339221 is a wasteful number, since it uses less digits than its factorization.

317339221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4344.

The product of its digits is 6804, while the sum is 31.

The square root of 317339221 is about 17814.0175423738. The cubic root of 317339221 is about 682.0893214681.

The spelling of 317339221 in words is "three hundred seventeen million, three hundred thirty-nine thousand, two hundred twenty-one".