30300443221 has 16 divisors (see below), whose sum is σ = 32313254400. Its totient is φ = 28313929728.

The previous prime is 30300443219. The next prime is 30300443231. The reversal of 30300443221 is 12234400303.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30300443221 - 2¹ = 30300443219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30300443192 and 30300443201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30300443231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1426245 + ... + 1447333.

It is an arithmetic number, because the mean of its divisors is an integer number (2019578400).

Almost surely, 2^30300443221 is an apocalyptic number.

It is an amenable number.

30300443221 is a deficient number, since it is larger than the sum of its proper divisors (2012811179).

30300443221 is a wasteful number, since it uses less digits than its factorization.

30300443221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21708.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 30300443221 its reverse (12234400303), we get a palindrome (42534843524).

The spelling of 30300443221 in words is "thirty billion, three hundred million, four hundred forty-three thousand, two hundred twenty-one".