1311342000311 has 6 divisors (see below), whose sum is σ = 1525438653480. Its totient is φ = 1124007428796.

The previous prime is 1311342000289. The next prime is 1311342000337. The reversal of 1311342000311 is 1130002431131.

It is not a de Polignac number, because 1311342000311 - 2¹⁰ = 1311341999287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311342000611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13381040771 + ... + 13381040868.

It is an arithmetic number, because the mean of its divisors is an integer number (254239775580).

Almost surely, 2^{1311342000311} is an apocalyptic number.

1311342000311 is a deficient number, since it is larger than the sum of its proper divisors (214096653169).

1311342000311 is an equidigital number, since it uses as much as digits as its factorization.

1311342000311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26762081653 (or 26762081646 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1311342000311 its reverse (1130002431131), we get a palindrome (2441344431442).

The spelling of 1311342000311 in words is "one trillion, three hundred eleven billion, three hundred forty-two million, three hundred eleven", and thus it is an aban number.