320003321201 has 4 divisors (see below), whose sum is σ = 324510410304. Its totient is φ = 315496232100.

The previous prime is 320003321161. The next prime is 320003321203. The reversal of 320003321201 is 102123300023.

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, and also an emirpimes, since its reverse is a distinct semiprime: 102123300023 = 263 ⋅388301521.

It is a cyclic number.

It is not a de Polignac number, because 320003321201 - 2²² = 319999126897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320003321201.

It is not an unprimeable number, because it can be changed into a prime (320003321203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2253544445 + ... + 2253544586.

It is an arithmetic number, because the mean of its divisors is an integer number (81127602576).

Almost surely, 2^320003321201 is an apocalyptic number.

It is an amenable number.

320003321201 is a deficient number, since it is larger than the sum of its proper divisors (4507089103).

320003321201 is an equidigital number, since it uses as much as digits as its factorization.

320003321201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4507089102.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 320003321201 its reverse (102123300023), we get a palindrome (422126621224).

The spelling of 320003321201 in words is "three hundred twenty billion, three million, three hundred twenty-one thousand, two hundred one".