320803109 has 8 divisors (see below), whose sum is σ = 352317600. Its totient is φ = 289680400.

The previous prime is 320803037. The next prime is 320803111. The reversal of 320803109 is 901308023.

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 320803109 - 2²⁴ = 304025893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320803139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96227 + ... + 99504.

It is an arithmetic number, because the mean of its divisors is an integer number (44039700).

Almost surely, 2^320803109 is an apocalyptic number.

It is an amenable number.

320803109 is a deficient number, since it is larger than the sum of its proper divisors (31514491).

320803109 is a wasteful number, since it uses less digits than its factorization.

320803109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195891.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 320803109 is about 17910.9773323512. The cubic root of 320803109 is about 684.5621077582.

The spelling of 320803109 in words is "three hundred twenty million, eight hundred three thousand, one hundred nine".