1311413242289 has 2 divisors, whose sum is σ = 1311413242290. Its totient is φ = 1311413242288.

The previous prime is 1311413242283. The next prime is 1311413242351. The reversal of 1311413242289 is 9822423141131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 741829077025 + 569584165264 = 861295^2 + 754708^2 .

It is an emirp because it is prime and its reverse (9822423141131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1311413242289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1311413242283) 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, 655706621144 + 655706621145.

It is an arithmetic number, because the mean of its divisors is an integer number (655706621145).

Almost surely, 2^{1311413242289} is an apocalyptic number.

It is an amenable number.

1311413242289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311413242289 is an equidigital number, since it uses as much as digits as its factorization.

1311413242289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 41.

The spelling of 1311413242289 in words is "one trillion, three hundred eleven billion, four hundred thirteen million, two hundred forty-two thousand, two hundred eighty-nine".