13133423113 has 4 divisors (see below), whose sum is σ = 13453750548. Its totient is φ = 12813095680.

The previous prime is 13133423089. The next prime is 13133423123. The reversal of 13133423113 is 31132433131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31132433131 = 587 ⋅53036513.

It can be written as a sum of positive squares in 2 ways, for example, as 2439174544 + 10694248569 = 49388^2 + 103413^2 .

It is a cyclic number.

It is not a de Polignac number, because 13133423113 - 2⁵ = 13133423081 is a prime.

It is a super-2 number, since 2×13133423113² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13133423123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160163656 + ... + 160163737.

It is an arithmetic number, because the mean of its divisors is an integer number (3363437637).

Almost surely, 2^13133423113 is an apocalyptic number.

It is an amenable number.

13133423113 is a deficient number, since it is larger than the sum of its proper divisors (320327435).

13133423113 is an equidigital number, since it uses as much as digits as its factorization.

13133423113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320327434.

The product of its digits is 1944, while the sum is 25.

Adding to 13133423113 its reverse (31132433131), we get a palindrome (44265856244).

The spelling of 13133423113 in words is "thirteen billion, one hundred thirty-three million, four hundred twenty-three thousand, one hundred thirteen".