30321421444 has 12 divisors (see below), whose sum is σ = 53258291968. Its totient is φ = 15104766600.

The previous prime is 30321421421. The next prime is 30321421447. The reversal of 30321421444 is 44412412303.

It is not an unprimeable number, because it can be changed into a prime (30321421447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13984812 + ... + 13986979.

Almost surely, 2^30321421444 is an apocalyptic number.

It is an amenable number.

30321421444 is a deficient number, since it is larger than the sum of its proper divisors (22936870524).

30321421444 is a wasteful number, since it uses less digits than its factorization.

30321421444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27972066 (or 27972064 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 30321421444 its reverse (44412412303), we get a palindrome (74733833747).

The spelling of 30321421444 in words is "thirty billion, three hundred twenty-one million, four hundred twenty-one thousand, four hundred forty-four".