320317201 has 4 divisors (see below), whose sum is σ = 321835504. Its totient is φ = 318798900.

The previous prime is 320317199. The next prime is 320317223. The reversal of 320317201 is 102713023.

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 320317201 - 2¹ = 320317199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320317301) 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, 758835 + ... + 759256.

It is an arithmetic number, because the mean of its divisors is an integer number (80458876).

Almost surely, 2^320317201 is an apocalyptic number.

It is an amenable number.

320317201 is a deficient number, since it is larger than the sum of its proper divisors (1518303).

320317201 is a wasteful number, since it uses less digits than its factorization.

320317201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518302.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 320317201 is about 17897.4076614464. The cubic root of 320317201 is about 684.2163065700.

The spelling of 320317201 in words is "three hundred twenty million, three hundred seventeen thousand, two hundred one".