30021043213 has 8 divisors (see below), whose sum is σ = 34310875328. Its totient is φ = 25731489024.

The previous prime is 30021043211. The next prime is 30021043243. The reversal of 30021043213 is 31234012003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30021043213 - 2¹ = 30021043211 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 (30021043211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277570 + ... + 370252.

It is an arithmetic number, because the mean of its divisors is an integer number (4288859416).

Almost surely, 2^30021043213 is an apocalyptic number.

It is an amenable number.

30021043213 is a deficient number, since it is larger than the sum of its proper divisors (4289832115).

30021043213 is an equidigital number, since it uses as much as digits as its factorization.

30021043213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138963.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30021043213 its reverse (31234012003), we get a palindrome (61255055216).

The spelling of 30021043213 in words is "thirty billion, twenty-one million, forty-three thousand, two hundred thirteen".