30421030321 has 16 divisors (see below), whose sum is σ = 34960651200. Its totient is φ = 26179372800.

The previous prime is 30421030291. The next prime is 30421030403. The reversal of 30421030321 is 12303012403.

It is a cyclic number.

It is not a de Polignac number, because 30421030321 - 2¹¹ = 30421028273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30421070321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212941 + ... + 325861.

It is an arithmetic number, because the mean of its divisors is an integer number (2185040700).

Almost surely, 2^30421030321 is an apocalyptic number.

It is an amenable number.

30421030321 is a deficient number, since it is larger than the sum of its proper divisors (4539620879).

30421030321 is a wasteful number, since it uses less digits than its factorization.

30421030321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114240.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30421030321 its reverse (12303012403), we get a palindrome (42724042724).

The spelling of 30421030321 in words is "thirty billion, four hundred twenty-one million, thirty thousand, three hundred twenty-one".