13131523124244 has 36 divisors (see below), whose sum is σ = 37935511248544. Its totient is φ = 3751863749712.

The previous prime is 13131523124243. The next prime is 13131523124263. The reversal of 13131523124244 is 44242132513131.

13131523124244 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 1 + 523 + 124 + 2 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 13131523124199 and 13131523124208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131523124243) 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 11 ways as a sum of consecutive naturals, for example, 26054609122 + ... + 26054609625.

Almost surely, 2^{13131523124244} is an apocalyptic number.

13131523124244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13131523124244 is an abundant number, since it is smaller than the sum of its proper divisors (24803988124300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13131523124244 is a wasteful number, since it uses less digits than its factorization.

13131523124244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52109218764 (or 52109218759 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

Adding to 13131523124244 its reverse (44242132513131), we get a palindrome (57373655637375).

The spelling of 13131523124244 in words is "thirteen trillion, one hundred thirty-one billion, five hundred twenty-three million, one hundred twenty-four thousand, two hundred forty-four".