13031244112 has 20 divisors (see below), whose sum is σ = 25253529876. Its totient is φ = 6514204160.

The previous prime is 13031244101. The next prime is 13031244137. The reversal of 13031244112 is 21144213031.

It can be written as a sum of positive squares in 2 ways, for example, as 3032044096 + 9999200016 = 55064^2 + 99996^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10723 + ... + 161794.

Almost surely, 2^13031244112 is an apocalyptic number.

It is an amenable number.

13031244112 is a deficient number, since it is larger than the sum of its proper divisors (12222285764).

13031244112 is a wasteful number, since it uses less digits than its factorization.

13031244112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177246 (or 177240 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 13031244112 its reverse (21144213031), we get a palindrome (34175457143).

The spelling of 13031244112 in words is "thirteen billion, thirty-one million, two hundred forty-four thousand, one hundred twelve".