13324310221 has 4 divisors (see below), whose sum is σ = 13325027392. Its totient is φ = 13323593052.

The previous prime is 13324310179. The next prime is 13324310323. The reversal of 13324310221 is 12201342331.

13324310221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13324310221 - 2⁹ = 13324309709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13324310192 and 13324310201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13324310621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329955 + ... + 368128.

It is an arithmetic number, because the mean of its divisors is an integer number (3331256848).

Almost surely, 2^13324310221 is an apocalyptic number.

It is an amenable number.

13324310221 is a deficient number, since it is larger than the sum of its proper divisors (717171).

13324310221 is an equidigital number, since it uses as much as digits as its factorization.

13324310221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717170.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13324310221 its reverse (12201342331), we get a palindrome (25525652552).

The spelling of 13324310221 in words is "thirteen billion, three hundred twenty-four million, three hundred ten thousand, two hundred twenty-one".