1300331012021 has 2 divisors, whose sum is σ = 1300331012022. Its totient is φ = 1300331012020.

The previous prime is 1300331012003. The next prime is 1300331012033. The reversal of 1300331012021 is 1202101330031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 794262393796 + 506068618225 = 891214^2 + 711385^2 .

It is a cyclic number.

It is not a de Polignac number, because 1300331012021 - 2¹⁴ = 1300330995637 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 (1300331012081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650165506010 + 650165506011.

It is an arithmetic number, because the mean of its divisors is an integer number (650165506011).

Almost surely, 2^{1300331012021} is an apocalyptic number.

It is an amenable number.

1300331012021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300331012021 is an equidigital number, since it uses as much as digits as its factorization.

1300331012021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1300331012021 its reverse (1202101330031), we get a palindrome (2502432342052).

The spelling of 1300331012021 in words is "one trillion, three hundred billion, three hundred thirty-one million, twelve thousand, twenty-one".