131444443422 has 24 divisors (see below), whose sum is σ = 288697616064. Its totient is φ = 43214611104.

The previous prime is 131444443399. The next prime is 131444443439. The reversal of 131444443422 is 224344444131.

131444443422 is a `hidden beast` number, since 13 + 144 + 44 + 43 + 422 = 666.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 50015598 + ... + 50018225.

It is an arithmetic number, because the mean of its divisors is an integer number (12029067336).

Almost surely, 2^131444443422 is an apocalyptic number.

131444443422 is an abundant number, since it is smaller than the sum of its proper divisors (157253172642).

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

131444443422 is a wasteful number, since it uses less digits than its factorization.

131444443422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100033904 (or 100033901 counting only the distinct ones).

The product of its digits is 147456, while the sum is 36.

Adding to 131444443422 its reverse (224344444131), we get a palindrome (355788887553).

The spelling of 131444443422 in words is "one hundred thirty-one billion, four hundred forty-four million, four hundred forty-three thousand, four hundred twenty-two".