1311422535349 has 2 divisors, whose sum is σ = 1311422535350. Its totient is φ = 1311422535348.

The previous prime is 1311422535299. The next prime is 1311422535389. The reversal of 1311422535349 is 9435352241131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 952839538225 + 358582997124 = 976135^2 + 598818^2 .

It is a cyclic number.

It is not a de Polignac number, because 1311422535349 - 2¹⁵ = 1311422502581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311422535389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655711267674 + 655711267675.

It is an arithmetic number, because the mean of its divisors is an integer number (655711267675).

Almost surely, 2^{1311422535349} is an apocalyptic number.

It is an amenable number.

1311422535349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311422535349 is an equidigital number, since it uses as much as digits as its factorization.

1311422535349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 43.

The spelling of 1311422535349 in words is "one trillion, three hundred eleven billion, four hundred twenty-two million, five hundred thirty-five thousand, three hundred forty-nine".