320030001321 has 8 divisors (see below), whose sum is σ = 426739005984. Its totient is φ = 213337165440.

The previous prime is 320030001311. The next prime is 320030001337. The reversal of 320030001321 is 123100030023.

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

It is not a de Polignac number, because 320030001321 - 2⁵ = 320030001289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320030001321.

It is not an unprimeable number, because it can be changed into a prime (320030001311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3995935 + ... + 4075236.

It is an arithmetic number, because the mean of its divisors is an integer number (53342375748).

Almost surely, 2^320030001321 is an apocalyptic number.

It is an amenable number.

320030001321 is a deficient number, since it is larger than the sum of its proper divisors (106709004663).

320030001321 is a wasteful number, since it uses less digits than its factorization.

320030001321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8084391.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 320030001321 its reverse (123100030023), we get a palindrome (443130031344).

The spelling of 320030001321 in words is "three hundred twenty billion, thirty million, one thousand, three hundred twenty-one".