13103112144 has 80 divisors (see below), whose sum is σ = 35651860992. Its totient is φ = 4138721664.

The previous prime is 13103112103. The next prime is 13103112193. The reversal of 13103112144 is 44121130131.

It is a self number, because there is not a number n which added to its sum of digits gives 13103112144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62667 + ... + 173589.

Almost surely, 2^13103112144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13103112144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17825930496).

13103112144 is an abundant number, since it is smaller than the sum of its proper divisors (22548748848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13103112144 is a wasteful number, since it uses less digits than its factorization.

13103112144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111064 (or 111058 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 13103112144 its reverse (44121130131), we get a palindrome (57224242275).

The spelling of 13103112144 in words is "thirteen billion, one hundred three million, one hundred twelve thousand, one hundred forty-four".