30013113021 has 16 divisors (see below), whose sum is σ = 40479364800. Its totient is φ = 19777938048.

The previous prime is 30013112989. The next prime is 30013113071. The reversal of 30013113021 is 12031131003.

It is not a de Polignac number, because 30013113021 - 2⁵ = 30013112989 is a prime.

It is a super-2 number, since 2×30013113021² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30013113071) 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 15 ways as a sum of consecutive naturals, for example, 975150 + ... + 1005456.

It is an arithmetic number, because the mean of its divisors is an integer number (2529960300).

Almost surely, 2^30013113021 is an apocalyptic number.

It is an amenable number.

30013113021 is a deficient number, since it is larger than the sum of its proper divisors (10466251779).

30013113021 is a wasteful number, since it uses less digits than its factorization.

30013113021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34108.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 30013113021 its reverse (12031131003), we get a palindrome (42044244024).

The spelling of 30013113021 in words is "thirty billion, thirteen million, one hundred thirteen thousand, twenty-one".