1303304020013 has 2 divisors, whose sum is σ = 1303304020014. Its totient is φ = 1303304020012.

The previous prime is 1303304019917. The next prime is 1303304020043. The reversal of 1303304020013 is 3100204033031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1003599232804 + 299704787209 = 1001798^2 + 547453^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303304020013 - 2¹⁴ = 1303304003629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303304020043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651652010006 + 651652010007.

It is an arithmetic number, because the mean of its divisors is an integer number (651652010007).

Almost surely, 2^{1303304020013} is an apocalyptic number.

It is an amenable number.

1303304020013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303304020013 is an equidigital number, since it uses as much as digits as its factorization.

1303304020013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1303304020013 its reverse (3100204033031), we get a palindrome (4403508053044).

The spelling of 1303304020013 in words is "one trillion, three hundred three billion, three hundred four million, twenty thousand, thirteen".