131224041233244 has 36 divisors (see below), whose sum is σ = 331745127684880. Its totient is φ = 43736083911360.

The previous prime is 131224041233167. The next prime is 131224041233279. The reversal of 131224041233244 is 442332140422131.

131224041233244 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 2 + 404 + 1 + 2 + 3 + 3 + 244 = 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 = 131224041233199 and 131224041233208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218995249 + ... + 219593640.

Almost surely, 2^{131224041233244} is an apocalyptic number.

It is an amenable number.

131224041233244 is an abundant number, since it is smaller than the sum of its proper divisors (200521086451636).

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

131224041233244 is a wasteful number, since it uses less digits than its factorization.

131224041233244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438597210 (or 438597205 counting only the distinct ones).

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

Adding to 131224041233244 its reverse (442332140422131), we get a palindrome (573556181655375).

The spelling of 131224041233244 in words is "one hundred thirty-one trillion, two hundred twenty-four billion, forty-one million, two hundred thirty-three thousand, two hundred forty-four".