1311134304343 has 2 divisors, whose sum is σ = 1311134304344. Its totient is φ = 1311134304342.

The previous prime is 1311134304289. The next prime is 1311134304377. The reversal of 1311134304343 is 3434034311131.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3434034311131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1311134304343 - 2³⁷ = 1173695350871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311134304443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655567152171 + 655567152172.

It is an arithmetic number, because the mean of its divisors is an integer number (655567152172).

Almost surely, 2^{1311134304343} is an apocalyptic number.

1311134304343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311134304343 is an equidigital number, since it uses as much as digits as its factorization.

1311134304343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 1311134304343 its reverse (3434034311131), we get a palindrome (4745168615474).

The spelling of 1311134304343 in words is "one trillion, three hundred eleven billion, one hundred thirty-four million, three hundred four thousand, three hundred forty-three".