30441432221 has 2 divisors, whose sum is σ = 30441432222. Its totient is φ = 30441432220.

The previous prime is 30441432199. The next prime is 30441432227. The reversal of 30441432221 is 12223414403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30272172121 + 169260100 = 173989^2 + 13010^2 .

It is a cyclic number.

It is not a de Polignac number, because 30441432221 - 2⁶ = 30441432157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30441432227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15220716110 + 15220716111.

It is an arithmetic number, because the mean of its divisors is an integer number (15220716111).

Almost surely, 2^30441432221 is an apocalyptic number.

It is an amenable number.

30441432221 is a deficient number, since it is larger than the sum of its proper divisors (1).

30441432221 is an equidigital number, since it uses as much as digits as its factorization.

30441432221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 30441432221 its reverse (12223414403), we get a palindrome (42664846624).

The spelling of 30441432221 in words is "thirty billion, four hundred forty-one million, four hundred thirty-two thousand, two hundred twenty-one".