1311345435325 has 12 divisors (see below), whose sum is σ = 1626133554100. Its totient is φ = 1049034274560.

The previous prime is 1311345435307. The next prime is 1311345435391. The reversal of 1311345435325 is 5235345431131.

It can be written as a sum of positive squares in 6 ways, for example, as 7240818649 + 1304104616676 = 85093^2 + 1141974^2 .

It is not a de Polignac number, because 1311345435325 - 2¹⁵ = 1311345402557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 408300 + ... + 1670149.

Almost surely, 2^{1311345435325} is an apocalyptic number.

It is an amenable number.

1311345435325 is a deficient number, since it is larger than the sum of its proper divisors (314788118775).

1311345435325 is a wasteful number, since it uses less digits than its factorization.

1311345435325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103696 (or 2103691 counting only the distinct ones).

The product of its digits is 324000, while the sum is 40.

The spelling of 1311345435325 in words is "one trillion, three hundred eleven billion, three hundred forty-five million, four hundred thirty-five thousand, three hundred twenty-five".