13131024344244 has 96 divisors (see below), whose sum is σ = 34245550080000. Its totient is φ = 4351056909408.

The previous prime is 13131024344237. The next prime is 13131024344299. The reversal of 13131024344244 is 44244342013131.

13131024344244 is a `hidden beast` number, since 1 + 3 + 131 + 0 + 2 + 43 + 442 + 44 = 666.

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 = 13131024344199 and 13131024344208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23428717 + ... + 23982635.

It is an arithmetic number, because the mean of its divisors is an integer number (356724480000).

Almost surely, 2^{13131024344244} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13131024344244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17122775040000).

13131024344244 is an abundant number, since it is smaller than the sum of its proper divisors (21114525735756).

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

13131024344244 is a wasteful number, since it uses less digits than its factorization.

13131024344244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555234 (or 555226 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 13131024344244 its reverse (44244342013131), we get a palindrome (57375366357375).

The spelling of 13131024344244 in words is "thirteen trillion, one hundred thirty-one billion, twenty-four million, three hundred forty-four thousand, two hundred forty-four".