13301321321 has 4 divisors (see below), whose sum is σ = 13304215632. Its totient is φ = 13298427012.

The previous prime is 13301321309. The next prime is 13301321323. The reversal of 13301321321 is 12312310331.

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.

It is a cyclic number.

It is not a de Polignac number, because 13301321321 - 2¹⁴ = 13301304937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13301321293 and 13301321302.

It is not an unprimeable number, because it can be changed into a prime (13301321323) 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, 1440251 + ... + 1449456.

It is an arithmetic number, because the mean of its divisors is an integer number (3326053908).

Almost surely, 2^13301321321 is an apocalyptic number.

It is an amenable number.

13301321321 is a deficient number, since it is larger than the sum of its proper divisors (2894311).

13301321321 is an equidigital number, since it uses as much as digits as its factorization.

13301321321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2894310.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13301321321 its reverse (12312310331), we get a palindrome (25613631652).

The spelling of 13301321321 in words is "thirteen billion, three hundred one million, three hundred twenty-one thousand, three hundred twenty-one".