321003130203 has 12 divisors (see below), whose sum is σ = 529909929328. Its totient is φ = 183430360080.

The previous prime is 321003130177. The next prime is 321003130213. The reversal of 321003130203 is 302031300123.

It is not a de Polignac number, because 321003130203 - 2¹⁷ = 321002999131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321003130213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2547643828 + ... + 2547643953.

Almost surely, 2^321003130203 is an apocalyptic number.

321003130203 is a deficient number, since it is larger than the sum of its proper divisors (208906799125).

321003130203 is a wasteful number, since it uses less digits than its factorization.

321003130203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5095287794 (or 5095287791 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 321003130203 its reverse (302031300123), we get a palindrome (623034430326).

The spelling of 321003130203 in words is "three hundred twenty-one billion, three million, one hundred thirty thousand, two hundred three".