13003443112 has 24 divisors (see below), whose sum is σ = 26799453450. Its totient is φ = 5910655520.

The previous prime is 13003443097. The next prime is 13003443121. The reversal of 13003443112 is 21134430031.

It can be written as a sum of positive squares in only one way, i.e., 12017859876 + 985583236 = 109626^2 + 31394^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6715687 + ... + 6717622.

Almost surely, 2^13003443112 is an apocalyptic number.

It is an amenable number.

13003443112 is an abundant number, since it is smaller than the sum of its proper divisors (13796010338).

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

13003443112 is a wasteful number, since it uses less digits than its factorization.

13003443112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13433337 (or 13433322 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13003443112 its reverse (21134430031), we get a palindrome (34137873143).

The spelling of 13003443112 in words is "thirteen billion, three million, four hundred forty-three thousand, one hundred twelve".