13230302021 has 2 divisors, whose sum is σ = 13230302022. Its totient is φ = 13230302020.

The previous prime is 13230301991. The next prime is 13230302101. The reversal of 13230302021 is 12020303231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12591981796 + 638320225 = 112214^2 + 25265^2 .

It is a cyclic number.

It is not a de Polignac number, because 13230302021 - 2⁶ = 13230301957 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13230302521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615151010 + 6615151011.

It is an arithmetic number, because the mean of its divisors is an integer number (6615151011).

Almost surely, 2^13230302021 is an apocalyptic number.

It is an amenable number.

13230302021 is a deficient number, since it is larger than the sum of its proper divisors (1).

13230302021 is an equidigital number, since it uses as much as digits as its factorization.

13230302021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 13230302021 its reverse (12020303231), we get a palindrome (25250605252).

The spelling of 13230302021 in words is "thirteen billion, two hundred thirty million, three hundred two thousand, twenty-one".