30430444221 has 24 divisors (see below), whose sum is σ = 44096139360. Its totient is φ = 20221936416.

The previous prime is 30430444151. The next prime is 30430444241. The reversal of 30430444221 is 12244403403.

It is a happy number.

30430444221 is a `hidden beast` number, since 3 + 0 + 430 + 4 + 4 + 4 + 221 = 666.

It is not a de Polignac number, because 30430444221 - 2¹¹ = 30430442173 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30430444241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9499006 + ... + 9502208.

It is an arithmetic number, because the mean of its divisors is an integer number (1837339140).

Almost surely, 2^30430444221 is an apocalyptic number.

It is an amenable number.

30430444221 is a deficient number, since it is larger than the sum of its proper divisors (13665695139).

30430444221 is a wasteful number, since it uses less digits than its factorization.

30430444221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6265 (or 6262 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 30430444221 its reverse (12244403403), we get a palindrome (42674847624).

The spelling of 30430444221 in words is "thirty billion, four hundred thirty million, four hundred forty-four thousand, two hundred twenty-one".