1312111023313 has 16 divisors (see below), whose sum is σ = 1323930142080. Its totient is φ = 1300346611200.

The previous prime is 1312111023283. The next prime is 1312111023323. The reversal of 1312111023313 is 3133201112131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312111023313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312111023323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130696348 + ... + 130706386.

It is an arithmetic number, because the mean of its divisors is an integer number (82745633880).

Almost surely, 2^{1312111023313} is an apocalyptic number.

It is an amenable number.

1312111023313 is a deficient number, since it is larger than the sum of its proper divisors (11819118767).

1312111023313 is a wasteful number, since it uses less digits than its factorization.

1312111023313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12648.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1312111023313 its reverse (3133201112131), we get a palindrome (4445312135444).

The spelling of 1312111023313 in words is "one trillion, three hundred twelve billion, one hundred eleven million, twenty-three thousand, three hundred thirteen".