13131212244113 has 4 divisors (see below), whose sum is σ = 13131225280368. Its totient is φ = 13131199207860.

The previous prime is 13131212244071. The next prime is 13131212244121. The reversal of 13131212244113 is 31144221213131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13131212244113 - 2⁸ = 13131212243857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13131212243113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4867943 + ... + 7068188.

It is an arithmetic number, because the mean of its divisors is an integer number (3282806320092).

Almost surely, 2^{13131212244113} is an apocalyptic number.

It is an amenable number.

13131212244113 is a deficient number, since it is larger than the sum of its proper divisors (13036255).

13131212244113 is a wasteful number, since it uses less digits than its factorization.

13131212244113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13036254.

The product of its digits is 3456, while the sum is 29.

Adding to 13131212244113 its reverse (31144221213131), we get a palindrome (44275433457244).

The spelling of 13131212244113 in words is "thirteen trillion, one hundred thirty-one billion, two hundred twelve million, two hundred forty-four thousand, one hundred thirteen".