13020302321 has 12 divisors (see below), whose sum is σ = 14137391232. Its totient is φ = 11985934896.

The previous prime is 13020302303. The next prime is 13020302327. The reversal of 13020302321 is 12320302031.

It is not a de Polignac number, because 13020302321 - 2¹⁰ = 13020301297 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 13020302321.

It is not an unprimeable number, because it can be changed into a prime (13020302327) 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 11 ways as a sum of consecutive naturals, for example, 42941 + ... + 166986.

It is an arithmetic number, because the mean of its divisors is an integer number (1178115936).

Almost surely, 2^13020302321 is an apocalyptic number.

It is an amenable number.

13020302321 is a deficient number, since it is larger than the sum of its proper divisors (1117088911).

13020302321 is a wasteful number, since it uses less digits than its factorization.

13020302321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210320 (or 210307 counting only the distinct ones).

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

Adding to 13020302321 its reverse (12320302031), we get a palindrome (25340604352).

The spelling of 13020302321 in words is "thirteen billion, twenty million, three hundred two thousand, three hundred twenty-one".