30034085021 has 4 divisors (see below), whose sum is σ = 30036072672. Its totient is φ = 30032097372.

The previous prime is 30034085017. The next prime is 30034085057. The reversal of 30034085021 is 12058043003.

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 30034085021 - 2² = 30034085017 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 (30034045021) 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, 970985 + ... + 1001438.

It is an arithmetic number, because the mean of its divisors is an integer number (7509018168).

Almost surely, 2^30034085021 is an apocalyptic number.

It is an amenable number.

30034085021 is a deficient number, since it is larger than the sum of its proper divisors (1987651).

30034085021 is a wasteful number, since it uses less digits than its factorization.

30034085021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987650.

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 30034085021 in words is "thirty billion, thirty-four million, eighty-five thousand, twenty-one".