30013130221 has 4 divisors (see below), whose sum is σ = 30981295744. Its totient is φ = 29044964700.

The previous prime is 30013130183. The next prime is 30013130243. The reversal of 30013130221 is 12203131003.

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 30013130221 - 2²⁵ = 29979575789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30013130195 and 30013130204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30013130621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484082715 + ... + 484082776.

It is an arithmetic number, because the mean of its divisors is an integer number (7745323936).

Almost surely, 2^30013130221 is an apocalyptic number.

30013130221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30013130221 is a deficient number, since it is larger than the sum of its proper divisors (968165523).

30013130221 is an equidigital number, since it uses as much as digits as its factorization.

30013130221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968165522.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30013130221 its reverse (12203131003), we get a palindrome (42216261224).

The spelling of 30013130221 in words is "thirty billion, thirteen million, one hundred thirty thousand, two hundred twenty-one".