1312112443313 has 16 divisors (see below), whose sum is σ = 1500839007360. Its totient is φ = 1123706653056.

The previous prime is 1312112443303. The next prime is 1312112443349. The reversal of 1312112443313 is 3133442112131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312112443313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312112443303) 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, 98581703 + ... + 98595011.

It is an arithmetic number, because the mean of its divisors is an integer number (93802437960).

Almost surely, 2^{1312112443313} is an apocalyptic number.

It is an amenable number.

1312112443313 is a deficient number, since it is larger than the sum of its proper divisors (188726564047).

1312112443313 is a wasteful number, since it uses less digits than its factorization.

1312112443313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24296.

The product of its digits is 5184, while the sum is 29.

Adding to 1312112443313 its reverse (3133442112131), we get a palindrome (4445554555444).

The spelling of 1312112443313 in words is "one trillion, three hundred twelve billion, one hundred twelve million, four hundred forty-three thousand, three hundred thirteen".