13244131413 has 12 divisors (see below), whose sum is σ = 19136147628. Its totient is φ = 8826773760.

The previous prime is 13244131391. The next prime is 13244131421. The reversal of 13244131413 is 31413144231.

13244131413 is a `hidden beast` number, since 1 + 3 + 244 + 1 + 3 + 1 + 413 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8320723524 + 4923407889 = 91218^2 + 70167^2 .

It is not a de Polignac number, because 13244131413 - 2⁶ = 13244131349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13244131493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188670 + ... + 249167.

It is an arithmetic number, because the mean of its divisors is an integer number (1594678969).

Almost surely, 2^13244131413 is an apocalyptic number.

It is an amenable number.

13244131413 is a deficient number, since it is larger than the sum of its proper divisors (5892016215).

13244131413 is a wasteful number, since it uses less digits than its factorization.

13244131413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441204 (or 441201 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 13244131413 its reverse (31413144231), we get a palindrome (44657275644).

The spelling of 13244131413 in words is "thirteen billion, two hundred forty-four million, one hundred thirty-one thousand, four hundred thirteen".