13301032321 has 4 divisors (see below), whose sum is σ = 13332626644. Its totient is φ = 13269438000.

The previous prime is 13301032313. The next prime is 13301032331. The reversal of 13301032321 is 12323010331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6282781696 + 7018250625 = 79264^2 + 83775^2 .

It is a cyclic number.

It is not a de Polignac number, because 13301032321 - 2³ = 13301032313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13301032301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15796530 + ... + 15797371.

It is an arithmetic number, because the mean of its divisors is an integer number (3333156661).

Almost surely, 2^13301032321 is an apocalyptic number.

It is an amenable number.

13301032321 is a deficient number, since it is larger than the sum of its proper divisors (31594323).

13301032321 is an equidigital number, since it uses as much as digits as its factorization.

13301032321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31594322.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13301032321 its reverse (12323010331), we get a palindrome (25624042652).

The spelling of 13301032321 in words is "thirteen billion, three hundred one million, thirty-two thousand, three hundred twenty-one".