13303310221 has 16 divisors (see below), whose sum is σ = 13732549488. Its totient is φ = 12879462400.

The previous prime is 13303310213. The next prime is 13303310227. The reversal of 13303310221 is 12201330331.

13303310221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 3067941321 + 10235368900 = 55389^2 + 101170^2 .

It is a cyclic number.

It is not a de Polignac number, because 13303310221 - 2³ = 13303310213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13303310227) 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 15 ways as a sum of consecutive naturals, for example, 2958651 + ... + 2963143.

It is an arithmetic number, because the mean of its divisors is an integer number (858284343).

Almost surely, 2^13303310221 is an apocalyptic number.

It is an amenable number.

13303310221 is a deficient number, since it is larger than the sum of its proper divisors (429239267).

13303310221 is a wasteful number, since it uses less digits than its factorization.

13303310221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5072.

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

Adding to 13303310221 its reverse (12201330331), we get a palindrome (25504640552).

The spelling of 13303310221 in words is "thirteen billion, three hundred three million, three hundred ten thousand, two hundred twenty-one".