30013303221 has 64 divisors (see below), whose sum is σ = 50874531840. Its totient is φ = 17309920320.

The previous prime is 30013303207. The next prime is 30013303231. The reversal of 30013303221 is 12230331003.

30013303221 is a `hidden beast` number, since 300 + 1 + 330 + 32 + 2 + 1 = 666.

It is not a de Polignac number, because 30013303221 - 2⁷ = 30013303093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30013303194 and 30013303203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30013303231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1334556 + ... + 1356858.

It is an arithmetic number, because the mean of its divisors is an integer number (794914560).

Almost surely, 2^30013303221 is an apocalyptic number.

It is an amenable number.

30013303221 is a deficient number, since it is larger than the sum of its proper divisors (20861228619).

30013303221 is a wasteful number, since it uses less digits than its factorization.

30013303221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22543 (or 22537 counting only the distinct ones).

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

Adding to 30013303221 its reverse (12230331003), we get a palindrome (42243634224).

The spelling of 30013303221 in words is "thirty billion, thirteen million, three hundred three thousand, two hundred twenty-one".