1312316143344 has 30 divisors (see below), whose sum is σ = 3672662540456. Its totient is φ = 437438714400.

The previous prime is 1312316143309. The next prime is 1312316143349. The reversal of 1312316143344 is 4433416132131.

1312316143344 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 3 + 1 + 614 + 3 + 34 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1312316143299 and 1312316143308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312316143349) 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, 4556653132 + ... + 4556653419.

Almost surely, 2^{1312316143344} is an apocalyptic number.

It is an amenable number.

1312316143344 is an abundant number, since it is smaller than the sum of its proper divisors (2360346397112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312316143344 is a wasteful number, since it uses less digits than its factorization.

1312316143344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9113306565 (or 9113306556 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The spelling of 1312316143344 in words is "one trillion, three hundred twelve billion, three hundred sixteen million, one hundred forty-three thousand, three hundred forty-four".