13113021013 has 4 divisors (see below), whose sum is σ = 13115455200. Its totient is φ = 13110586828.

The previous prime is 13113020993. The next prime is 13113021029. The reversal of 13113021013 is 31012031131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31012031131 = 31 ⋅1000388101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13113021013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113021113) 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, 1208995 + ... + 1219792.

It is an arithmetic number, because the mean of its divisors is an integer number (3278863800).

Almost surely, 2^13113021013 is an apocalyptic number.

It is an amenable number.

13113021013 is a deficient number, since it is larger than the sum of its proper divisors (2434187).

13113021013 is an equidigital number, since it uses as much as digits as its factorization.

13113021013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434186.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 13113021013 its reverse (31012031131), we get a palindrome (44125052144).

The spelling of 13113021013 in words is "thirteen billion, one hundred thirteen million, twenty-one thousand, thirteen".