1311423212113 has 32 divisors (see below), whose sum is σ = 1607839317504. Its totient is φ = 1044078723072.

The previous prime is 1311423212111. The next prime is 1311423212153. The reversal of 1311423212113 is 3112123241131.

It is not a de Polignac number, because 1311423212113 - 2¹ = 1311423212111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1311423212111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3913756 + ... + 4235602.

It is an arithmetic number, because the mean of its divisors is an integer number (50244978672).

Almost surely, 2^{1311423212113} is an apocalyptic number.

It is an amenable number.

1311423212113 is a deficient number, since it is larger than the sum of its proper divisors (296416105391).

1311423212113 is a wasteful number, since it uses less digits than its factorization.

1311423212113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322321.

The product of its digits is 864, while the sum is 25.

Adding to 1311423212113 its reverse (3112123241131), we get a palindrome (4423546453244).

The spelling of 1311423212113 in words is "one trillion, three hundred eleven billion, four hundred twenty-three million, two hundred twelve thousand, one hundred thirteen".