13303030221 has 40 divisors (see below), whose sum is σ = 21427338240. Its totient is φ = 8176435488.

The previous prime is 13303030211. The next prime is 13303030303. The reversal of 13303030221 is 12203030331.

13303030221 is a `hidden beast` number, since 1 + 330 + 30 + 302 + 2 + 1 = 666.

It is not a de Polignac number, because 13303030221 - 2²⁶ = 13235921357 is a prime.

It is a super-2 number, since 2×13303030221² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13303030194 and 13303030203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13303030211) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 901420 + ... + 916058.

It is an arithmetic number, because the mean of its divisors is an integer number (535683456).

Almost surely, 2^13303030221 is an apocalyptic number.

It is an amenable number.

13303030221 is a deficient number, since it is larger than the sum of its proper divisors (8124308019).

13303030221 is a wasteful number, since it uses less digits than its factorization.

13303030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15527 (or 15518 counting only the distinct ones).

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

Adding to 13303030221 its reverse (12203030331), we get a palindrome (25506060552).

The spelling of 13303030221 in words is "thirteen billion, three hundred three million, thirty thousand, two hundred twenty-one".