131344433442325 has 12 divisors (see below), whose sum is σ = 162876167864100. Its totient is φ = 105069694885760.

The previous prime is 131344433442317. The next prime is 131344433442337. The reversal of 131344433442325 is 523244334443131.

It can be written as a sum of positive squares in 6 ways, for example, as 2202710127409 + 129141723314916 = 1484153^2 + 11364054^2 .

It is not a de Polignac number, because 131344433442325 - 2³ = 131344433442317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145838800 + ... + 146736649.

It is an arithmetic number, because the mean of its divisors is an integer number (13573013988675).

Almost surely, 2^{131344433442325} is an apocalyptic number.

It is an amenable number.

131344433442325 is a deficient number, since it is larger than the sum of its proper divisors (31531734421775).

131344433442325 is a wasteful number, since it uses less digits than its factorization.

131344433442325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292593416 (or 292593411 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 46.

Adding to 131344433442325 its reverse (523244334443131), we get a palindrome (654588767885456).

The spelling of 131344433442325 in words is "one hundred thirty-one trillion, three hundred forty-four billion, four hundred thirty-three million, four hundred forty-two thousand, three hundred twenty-five".