10304330221 has 2 divisors, whose sum is σ = 10304330222. Its totient is φ = 10304330220.

The previous prime is 10304330213. The next prime is 10304330233. The reversal of 10304330221 is 12203340301.

10304330221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9581473225 + 722856996 = 97885^2 + 26886^2 .

It is a cyclic number.

It is not a de Polignac number, because 10304330221 - 2³ = 10304330213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10304330251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5152165110 + 5152165111.

It is an arithmetic number, because the mean of its divisors is an integer number (5152165111).

Almost surely, 2^10304330221 is an apocalyptic number.

It is an amenable number.

10304330221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10304330221 is an equidigital number, since it uses as much as digits as its factorization.

10304330221 is an evil number, because the sum of its binary digits is even.

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

Adding to 10304330221 its reverse (12203340301), we get a palindrome (22507670522).

The spelling of 10304330221 in words is "ten billion, three hundred four million, three hundred thirty thousand, two hundred twenty-one".