10303232221 has 2 divisors, whose sum is σ = 10303232222. Its totient is φ = 10303232220.

The previous prime is 10303232161. The next prime is 10303232287. The reversal of 10303232221 is 12223230301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5474372121 + 4828860100 = 73989^2 + 69490^2 .

It is a cyclic number.

It is not a de Polignac number, because 10303232221 - 2¹⁵ = 10303199453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10303232321) 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, 5151616110 + 5151616111.

It is an arithmetic number, because the mean of its divisors is an integer number (5151616111).

Almost surely, 2^10303232221 is an apocalyptic number.

It is an amenable number.

10303232221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10303232221 is an equidigital number, since it uses as much as digits as its factorization.

10303232221 is an odious number, because the sum of its binary digits is odd.

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

Adding to 10303232221 its reverse (12223230301), we get a palindrome (22526462522).

The spelling of 10303232221 in words is "ten billion, three hundred three million, two hundred thirty-two thousand, two hundred twenty-one".