30232133221 has 8 divisors (see below), whose sum is σ = 30533824800. Its totient is φ = 29931917520.

The previous prime is 30232133189. The next prime is 30232133231. The reversal of 30232133221 is 12233123203.

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 30232133221 - 2⁵ = 30232133189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30232133192 and 30232133201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30232133231) 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, 327775 + ... + 409756.

It is an arithmetic number, because the mean of its divisors is an integer number (3816728100).

Almost surely, 2^30232133221 is an apocalyptic number.

It is an amenable number.

30232133221 is a deficient number, since it is larger than the sum of its proper divisors (301691579).

30232133221 is a wasteful number, since it uses less digits than its factorization.

30232133221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737939.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 30232133221 its reverse (12233123203), we get a palindrome (42465256424).

The spelling of 30232133221 in words is "thirty billion, two hundred thirty-two million, one hundred thirty-three thousand, two hundred twenty-one".