320302401 has 4 divisors (see below), whose sum is σ = 427069872. Its totient is φ = 213534932.

The previous prime is 320302397. The next prime is 320302403. The reversal of 320302401 is 104203023.

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 320302401 - 2² = 320302397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320302403) 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, 53383731 + ... + 53383736.

It is an arithmetic number, because the mean of its divisors is an integer number (106767468).

Almost surely, 2^320302401 is an apocalyptic number.

It is an amenable number.

320302401 is a deficient number, since it is larger than the sum of its proper divisors (106767471).

320302401 is a wasteful number, since it uses less digits than its factorization.

320302401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106767470.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 320302401 is about 17896.9941889693. The cubic root of 320302401 is about 684.2057685187.

Adding to 320302401 its reverse (104203023), we get a palindrome (424505424).

The spelling of 320302401 in words is "three hundred twenty million, three hundred two thousand, four hundred one".