30021211313213 has 16 divisors (see below), whose sum is σ = 31651658142720. Its totient is φ = 28395838918656.

The previous prime is 30021211313207. The next prime is 30021211313221. The reversal of 30021211313213 is 31231311212003.

It is not a de Polignac number, because 30021211313213 - 2²⁰ = 30021210264637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30021211310213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29490020 + ... + 30491042.

It is an arithmetic number, because the mean of its divisors is an integer number (1978228633920).

Almost surely, 2^{30021211313213} is an apocalyptic number.

It is an amenable number.

30021211313213 is a deficient number, since it is larger than the sum of its proper divisors (1630446829507).

30021211313213 is a wasteful number, since it uses less digits than its factorization.

30021211313213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003556.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 30021211313213 its reverse (31231311212003), we get a palindrome (61252522525216).

The spelling of 30021211313213 in words is "thirty trillion, twenty-one billion, two hundred eleven million, three hundred thirteen thousand, two hundred thirteen".