13051103444 has 12 divisors (see below), whose sum is σ = 23325376704. Its totient is φ = 6386710104.

The previous prime is 13051103441. The next prime is 13051103449. The reversal of 13051103444 is 44430115031.

It is a happy number.

It is a super-2 number, since 2×13051103444² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13051103441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34710194 + ... + 34710569.

It is an arithmetic number, because the mean of its divisors is an integer number (1943781392).

Almost surely, 2^13051103444 is an apocalyptic number.

It is an amenable number.

13051103444 is a deficient number, since it is larger than the sum of its proper divisors (10274273260).

13051103444 is a wasteful number, since it uses less digits than its factorization.

13051103444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69420814 (or 69420812 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 13051103444 its reverse (44430115031), we get a palindrome (57481218475).

The spelling of 13051103444 in words is "thirteen billion, fifty-one million, one hundred three thousand, four hundred forty-four".