13131241244 has 48 divisors (see below), whose sum is σ = 25771658976. Its totient is φ = 5801702400.

The previous prime is 13131241243. The next prime is 13131241247. The reversal of 13131241244 is 44214213131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131241243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1938824 + ... + 1945584.

It is an arithmetic number, because the mean of its divisors is an integer number (536909562).

Almost surely, 2^13131241244 is an apocalyptic number.

It is an amenable number.

13131241244 is a deficient number, since it is larger than the sum of its proper divisors (12640417732).

13131241244 is a wasteful number, since it uses less digits than its factorization.

13131241244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8006 (or 8004 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

Adding to 13131241244 its reverse (44214213131), we get a palindrome (57345454375).

The spelling of 13131241244 in words is "thirteen billion, one hundred thirty-one million, two hundred forty-one thousand, two hundred forty-four".