320340001 has 8 divisors (see below), whose sum is σ = 325430784. Its totient is φ = 315265440.

The previous prime is 320339953. The next prime is 320340073. The reversal of 320340001 is 100043023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320340001 - 2¹⁷ = 320208929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320340301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39381 + ... + 46813.

It is an arithmetic number, because the mean of its divisors is an integer number (40678848).

Almost surely, 2^320340001 is an apocalyptic number.

It is an amenable number.

320340001 is a deficient number, since it is larger than the sum of its proper divisors (5090783).

320340001 is an equidigital number, since it uses as much as digits as its factorization.

320340001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8111.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 320340001 is about 17898.0446138677. The cubic root of 320340001 is about 684.2325402300.

Adding to 320340001 its reverse (100043023), we get a palindrome (420383024).

The spelling of 320340001 in words is "three hundred twenty million, three hundred forty thousand, one".