131444523325 has 24 divisors (see below), whose sum is σ = 170258084928. Its totient is φ = 100477006080.

The previous prime is 131444523317. The next prime is 131444523347. The reversal of 131444523325 is 523325444131.

It is not a de Polignac number, because 131444523325 - 2³ = 131444523317 is a prime.

It is a Duffinian 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 23 ways as a sum of consecutive naturals, for example, 423829 + ... + 665221.

It is an arithmetic number, because the mean of its divisors is an integer number (7094086872).

Almost surely, 2^131444523325 is an apocalyptic number.

It is an amenable number.

131444523325 is a deficient number, since it is larger than the sum of its proper divisors (38813561603).

131444523325 is a wasteful number, since it uses less digits than its factorization.

131444523325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242373 (or 242368 counting only the distinct ones).

The product of its digits is 172800, while the sum is 37.

Adding to 131444523325 its reverse (523325444131), we get a palindrome (654769967456).

The spelling of 131444523325 in words is "one hundred thirty-one billion, four hundred forty-four million, five hundred twenty-three thousand, three hundred twenty-five".