131142204444 has 48 divisors (see below), whose sum is σ = 318247825280. Its totient is φ = 41997493440.

The previous prime is 131142204439. The next prime is 131142204493. The reversal of 131142204444 is 444402241131.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 2051734 + ... + 2114685.

Almost surely, 2^131142204444 is an apocalyptic number.

It is an amenable number.

131142204444 is an abundant number, since it is smaller than the sum of its proper divisors (187105620836).

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

131142204444 is a wasteful number, since it uses less digits than its factorization.

131142204444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4166530 (or 4166528 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 131142204444 its reverse (444402241131), we get a palindrome (575544445575).

The spelling of 131142204444 in words is "one hundred thirty-one billion, one hundred forty-two million, two hundred four thousand, four hundred forty-four".