13013111223 has 12 divisors (see below), whose sum is σ = 21481961488. Its totient is φ = 7436063520.

The previous prime is 13013111183. The next prime is 13013111231. The reversal of 13013111223 is 32211131031.

13013111223 is a `hidden beast` number, since 130 + 1 + 311 + 1 + 223 = 666.

13013111223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13013111223 - 2¹² = 13013107127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13013111196 and 13013111205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013511223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103278598 + ... + 103278723.

Almost surely, 2^13013111223 is an apocalyptic number.

13013111223 is a deficient number, since it is larger than the sum of its proper divisors (8468850265).

13013111223 is a wasteful number, since it uses less digits than its factorization.

13013111223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206557334 (or 206557331 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13013111223 its reverse (32211131031), we get a palindrome (45224242254).

The spelling of 13013111223 in words is "thirteen billion, thirteen million, one hundred eleven thousand, two hundred twenty-three".