13113131122 has 32 divisors (see below), whose sum is σ = 24214563072. Its totient is φ = 5186389824.

The previous prime is 13113131117. The next prime is 13113131123. The reversal of 13113131122 is 22113131131.

It is a self number, because there is not a number n which added to its sum of digits gives 13113131122.

It is not an unprimeable number, because it can be changed into a prime (13113131123) 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, 1509363 + ... + 1518025.

It is an arithmetic number, because the mean of its divisors is an integer number (756705096).

Almost surely, 2^13113131122 is an apocalyptic number.

13113131122 is a deficient number, since it is larger than the sum of its proper divisors (11101431950).

13113131122 is a wasteful number, since it uses less digits than its factorization.

13113131122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17002.

The product of its digits is 108, while the sum is 19.

Adding to 13113131122 its reverse (22113131131), we get a palindrome (35226262253).

Subtracting 13113131122 from its reverse (22113131131), we obtain a palindrome (9000000009).

The spelling of 13113131122 in words is "thirteen billion, one hundred thirteen million, one hundred thirty-one thousand, one hundred twenty-two".