30021321104013 has 32 divisors (see below), whose sum is σ = 40959349200000. Its totient is φ = 19555793079552.

The previous prime is 30021321104009. The next prime is 30021321104051. The reversal of 30021321104013 is 31040112312003.

It is not a de Polignac number, because 30021321104013 - 2² = 30021321104009 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30021321104083) 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 31 ways as a sum of consecutive naturals, for example, 4556083 + ... + 8988911.

It is an arithmetic number, because the mean of its divisors is an integer number (1279979662500).

Almost surely, 2^{30021321104013} is an apocalyptic number.

It is an amenable number.

30021321104013 is a deficient number, since it is larger than the sum of its proper divisors (10938028095987).

30021321104013 is a wasteful number, since it uses less digits than its factorization.

30021321104013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4433229.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 30021321104013 its reverse (31040112312003), we get a palindrome (61061433416016).

The spelling of 30021321104013 in words is "thirty trillion, twenty-one billion, three hundred twenty-one million, one hundred four thousand, thirteen".