1311434062529 has 2 divisors, whose sum is σ = 1311434062530. Its totient is φ = 1311434062528.

The previous prime is 1311434062481. The next prime is 1311434062571. The reversal of 1311434062529 is 9252604341131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 836954181904 + 474479880625 = 914852^2 + 688825^2 .

It is a cyclic number.

It is not a de Polignac number, because 1311434062529 - 2⁸ = 1311434062273 is a prime.

It is a super-2 number, since 2×1311434062529² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1311434062129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655717031264 + 655717031265.

It is an arithmetic number, because the mean of its divisors is an integer number (655717031265).

Almost surely, 2^{1311434062529} is an apocalyptic number.

It is an amenable number.

1311434062529 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311434062529 is an equidigital number, since it uses as much as digits as its factorization.

1311434062529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 1311434062529 in words is "one trillion, three hundred eleven billion, four hundred thirty-four million, sixty-two thousand, five hundred twenty-nine".