30039933221 has 8 divisors (see below), whose sum is σ = 30732623424. Its totient is φ = 29354731840.

The previous prime is 30039933199. The next prime is 30039933269. The reversal of 30039933221 is 12233993003.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30039933221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30039933821) 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, 1864091 + ... + 1880136.

It is an arithmetic number, because the mean of its divisors is an integer number (3841577928).

Almost surely, 2^30039933221 is an apocalyptic number.

It is an amenable number.

30039933221 is a deficient number, since it is larger than the sum of its proper divisors (692690203).

30039933221 is a wasteful number, since it uses less digits than its factorization.

30039933221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3744411.

The product of its (nonzero) digits is 26244, while the sum is 35.

The spelling of 30039933221 in words is "thirty billion, thirty-nine million, nine hundred thirty-three thousand, two hundred twenty-one".