130003309921 has 2 divisors, whose sum is σ = 130003309922. Its totient is φ = 130003309920.

The previous prime is 130003309901. The next prime is 130003310111. The reversal of 130003309921 is 129903300031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129935016225 + 68293696 = 360465^2 + 8264^2 .

It is a cyclic number.

It is not a de Polignac number, because 130003309921 - 2¹¹ = 130003307873 is a prime.

It is not a weakly prime, because it can be changed into another prime (130003309901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65001654960 + 65001654961.

It is an arithmetic number, because the mean of its divisors is an integer number (65001654961).

Almost surely, 2^130003309921 is an apocalyptic number.

It is an amenable number.

130003309921 is a deficient number, since it is larger than the sum of its proper divisors (1).

130003309921 is an equidigital number, since it uses as much as digits as its factorization.

130003309921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 31.

Adding to 130003309921 its reverse (129903300031), we get a palindrome (259906609952).

The spelling of 130003309921 in words is "one hundred thirty billion, three million, three hundred nine thousand, nine hundred twenty-one".