131442444444 has 24 divisors (see below), whose sum is σ = 306981219328. Its totient is φ = 43773836400.

The previous prime is 131442444421. The next prime is 131442444487. The reversal of 131442444444 is 444444244131.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5025382 + ... + 5051469.

Almost surely, 2^131442444444 is an apocalyptic number.

It is an amenable number.

131442444444 is an abundant number, since it is smaller than the sum of its proper divisors (175538774884).

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

131442444444 is a wasteful number, since it uses less digits than its factorization.

131442444444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10077945 (or 10077943 counting only the distinct ones).

The product of its digits is 393216, while the sum is 39.

Adding to 131442444444 its reverse (444444244131), we get a palindrome (575886688575).

The spelling of 131442444444 in words is "one hundred thirty-one billion, four hundred forty-two million, four hundred forty-four thousand, four hundred forty-four".