13143121313 has 32 divisors (see below), whose sum is σ = 16452771840. Its totient is φ = 10248189120.

The previous prime is 13143121307. The next prime is 13143121319. The reversal of 13143121313 is 31312134131.

It is an interprime number because it is at equal distance from previous prime (13143121307) and next prime (13143121319).

It is a cyclic number.

It is not a de Polignac number, because 13143121313 - 2⁶ = 13143121249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13143121319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 311468 + ... + 351138.

It is an arithmetic number, because the mean of its divisors is an integer number (514149120).

Almost surely, 2^13143121313 is an apocalyptic number.

It is an amenable number.

13143121313 is a deficient number, since it is larger than the sum of its proper divisors (3309650527).

13143121313 is a wasteful number, since it uses less digits than its factorization.

13143121313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39797.

The product of its digits is 648, while the sum is 23.

Adding to 13143121313 its reverse (31312134131), we get a palindrome (44455255444).

The spelling of 13143121313 in words is "thirteen billion, one hundred forty-three million, one hundred twenty-one thousand, three hundred thirteen".