131344425150021 has 48 divisors (see below), whose sum is σ = 190721193062400. Its totient is φ = 87101442453024.

The previous prime is 131344425150017. The next prime is 131344425150053. The reversal of 131344425150021 is 120051524443131.

131344425150021 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 44 + 42 + 51 + 500 + 21 = 666.

It is not a de Polignac number, because 131344425150021 - 2² = 131344425150017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131344425150221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17542994140 + ... + 17543001626.

It is an arithmetic number, because the mean of its divisors is an integer number (3973358188800).

Almost surely, 2^{131344425150021} is an apocalyptic number.

It is an amenable number.

131344425150021 is a deficient number, since it is larger than the sum of its proper divisors (59376767912379).

131344425150021 is a wasteful number, since it uses less digits than its factorization.

131344425150021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14038 (or 14035 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 131344425150021 its reverse (120051524443131), we get a palindrome (251395949593152).

The spelling of 131344425150021 in words is "one hundred thirty-one trillion, three hundred forty-four billion, four hundred twenty-five million, one hundred fifty thousand, twenty-one".