1311122000311 has 16 divisors (see below), whose sum is σ = 1427861491200. Its totient is φ = 1199164363488.

The previous prime is 1311122000189. The next prime is 1311122000339. The reversal of 1311122000311 is 1130002211131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1311122000311 - 2⁷ = 1311122000183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311122000371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5664886 + ... + 5891788.

It is an arithmetic number, because the mean of its divisors is an integer number (89241343200).

Almost surely, 2^{1311122000311} is an apocalyptic number.

1311122000311 is a deficient number, since it is larger than the sum of its proper divisors (116739490889).

1311122000311 is a wasteful number, since it uses less digits than its factorization.

1311122000311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237438.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1311122000311 its reverse (1130002211131), we get a palindrome (2441124211442).

The spelling of 1311122000311 in words is "one trillion, three hundred eleven billion, one hundred twenty-two million, three hundred eleven", and thus it is an aban number.