30242030021 has 8 divisors (see below), whose sum is σ = 34826155584. Its totient is φ = 25723863360.

The previous prime is 30242030017. The next prime is 30242030023. The reversal of 30242030021 is 12003024203.

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 30242030021 - 2² = 30242030017 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 (30242030023) 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, 16488740 + ... + 16490573.

It is an arithmetic number, because the mean of its divisors is an integer number (4353269448).

Almost surely, 2^30242030021 is an apocalyptic number.

It is an amenable number.

30242030021 is a deficient number, since it is larger than the sum of its proper divisors (4584125563).

30242030021 is a wasteful number, since it uses less digits than its factorization.

30242030021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32979451.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 30242030021 its reverse (12003024203), we get a palindrome (42245054224).

The spelling of 30242030021 in words is "thirty billion, two hundred forty-two million, thirty thousand, twenty-one".