131344242144021 has 24 divisors (see below), whose sum is σ = 189754128645120. Its totient is φ = 87546828998976.

The previous prime is 131344242144013. The next prime is 131344242144029. The reversal of 131344242144021 is 120441242443131.

131344242144021 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 4 + 4 + 242 + 1 + 4 + 402 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (131344242144013) and next prime (131344242144029).

It is not a de Polignac number, because 131344242144021 - 2³ = 131344242144013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131344242144029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1462276450 + ... + 1462366268.

It is an arithmetic number, because the mean of its divisors is an integer number (7906422026880).

Almost surely, 2^{131344242144021} is an apocalyptic number.

It is an amenable number.

131344242144021 is a deficient number, since it is larger than the sum of its proper divisors (58409886501099).

131344242144021 is a wasteful number, since it uses less digits than its factorization.

131344242144021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117705 (or 117702 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

Adding to 131344242144021 its reverse (120441242443131), we get a palindrome (251785484587152).

The spelling of 131344242144021 in words is "one hundred thirty-one trillion, three hundred forty-four billion, two hundred forty-two million, one hundred forty-four thousand, twenty-one".