1304344320413 has 2 divisors, whose sum is σ = 1304344320414. Its totient is φ = 1304344320412.

The previous prime is 1304344320361. The next prime is 1304344320481. The reversal of 1304344320413 is 3140234434031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1139315007769 + 165029312644 = 1067387^2 + 406238^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1304344320413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1304344320413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304344320113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652172160206 + 652172160207.

It is an arithmetic number, because the mean of its divisors is an integer number (652172160207).

Almost surely, 2^{1304344320413} is an apocalyptic number.

It is an amenable number.

1304344320413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304344320413 is an equidigital number, since it uses as much as digits as its factorization.

1304344320413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 1304344320413 its reverse (3140234434031), we get a palindrome (4444578754444).

The spelling of 1304344320413 in words is "one trillion, three hundred four billion, three hundred forty-four million, three hundred twenty thousand, four hundred thirteen".