320004317 has 4 divisors (see below), whose sum is σ = 320445216. Its totient is φ = 319563420.

The previous prime is 320004287. The next prime is 320004319. The reversal of 320004317 is 713400023.

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 320004317 - 2¹² = 320000221 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 (320004319) 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, 219359 + ... + 220812.

It is an arithmetic number, because the mean of its divisors is an integer number (80111304).

Almost surely, 2^320004317 is an apocalyptic number.

It is an amenable number.

320004317 is a deficient number, since it is larger than the sum of its proper divisors (440899).

320004317 is an equidigital number, since it uses as much as digits as its factorization.

320004317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440898.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 320004317 is about 17888.6644834096. The cubic root of 320004317 is about 683.9934544761.

The spelling of 320004317 in words is "three hundred twenty million, four thousand, three hundred seventeen".