1311544400312 has 16 divisors (see below), whose sum is σ = 2588574474600. Its totient is φ = 621257873760.

The previous prime is 1311544400303. The next prime is 1311544400321. The reversal of 1311544400312 is 2130044451131.

It is an interprime number because it is at equal distance from previous prime (1311544400303) and next prime (1311544400321).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4314290639 + ... + 4314290942.

Almost surely, 2^{1311544400312} is an apocalyptic number.

It is an amenable number.

1311544400312 is a deficient number, since it is larger than the sum of its proper divisors (1277030074288).

1311544400312 is a wasteful number, since it uses less digits than its factorization.

1311544400312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8628581606 (or 8628581602 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 1311544400312 its reverse (2130044451131), we get a palindrome (3441588851443).

The spelling of 1311544400312 in words is "one trillion, three hundred eleven billion, five hundred forty-four million, four hundred thousand, three hundred twelve".