1311303113013 has 16 divisors (see below), whose sum is σ = 1751503201920. Its totient is φ = 872653594176.

The previous prime is 1311303113011. The next prime is 1311303113017. The reversal of 1311303113013 is 3103113031131.

It is not a de Polignac number, because 1311303113013 - 2¹ = 1311303113011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311303113011) 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, 4951168 + ... + 5209286.

It is an arithmetic number, because the mean of its divisors is an integer number (109468950120).

Almost surely, 2^{1311303113013} is an apocalyptic number.

It is an amenable number.

1311303113013 is a deficient number, since it is larger than the sum of its proper divisors (440200088907).

1311303113013 is a wasteful number, since it uses less digits than its factorization.

1311303113013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261116.

The product of its (nonzero) digits is 243, while the sum is 21.

Adding to 1311303113013 its reverse (3103113031131), we get a palindrome (4414416144144).

The spelling of 1311303113013 in words is "one trillion, three hundred eleven billion, three hundred three million, one hundred thirteen thousand, thirteen".