13030303221 has 24 divisors (see below), whose sum is σ = 21020082720. Its totient is φ = 8018646192.

The previous prime is 13030303217. The next prime is 13030303261. The reversal of 13030303221 is 12230303031.

13030303221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13030303221 - 2² = 13030303217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13030303194 and 13030303203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13030303261) 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 23 ways as a sum of consecutive naturals, for example, 2059251 + ... + 2065568.

It is an arithmetic number, because the mean of its divisors is an integer number (875836780).

Almost surely, 2^13030303221 is an apocalyptic number.

It is an amenable number.

13030303221 is a deficient number, since it is larger than the sum of its proper divisors (7989779499).

13030303221 is an equidigital number, since it uses as much as digits as its factorization.

13030303221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4124847 (or 4124835 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 13030303221 its reverse (12230303031), we get a palindrome (25260606252).

The spelling of 13030303221 in words is "thirteen billion, thirty million, three hundred three thousand, two hundred twenty-one".