320433001 has 16 divisors (see below), whose sum is σ = 377574400. Its totient is φ = 271797120.

The previous prime is 320432971. The next prime is 320433031. The reversal of 320433001 is 100334023.

It is an interprime number because it is at equal distance from previous prime (320432971) and next prime (320433031).

It is not a de Polignac number, because 320433001 - 2⁷ = 320432873 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320433031) 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, 28456 + ... + 38086.

It is an arithmetic number, because the mean of its divisors is an integer number (23598400).

Almost surely, 2^320433001 is an apocalyptic number.

It is an amenable number.

320433001 is a deficient number, since it is larger than the sum of its proper divisors (57141399).

320433001 is an frugal number, since it uses more digits than its factorization.

320433001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9749 (or 9735 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 320433001 is about 17900.6424745035. The cubic root of 320433001 is about 684.2987484974.

Adding to 320433001 its reverse (100334023), we get a palindrome (420767024).

The spelling of 320433001 in words is "three hundred twenty million, four hundred thirty-three thousand, one".