131444224625 has 16 divisors (see below), whose sum is σ = 187477021056. Its totient is φ = 90133182000.

The previous prime is 131444224609. The next prime is 131444224627. The reversal of 131444224625 is 526422444131.

It is not a de Polignac number, because 131444224625 - 2⁴ = 131444224609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131444224627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75110111 + ... + 75111860.

It is an arithmetic number, because the mean of its divisors is an integer number (11717313816).

Almost surely, 2^131444224625 is an apocalyptic number.

It is an amenable number.

131444224625 is a deficient number, since it is larger than the sum of its proper divisors (56032796431).

131444224625 is an equidigital number, since it uses as much as digits as its factorization.

131444224625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150221993 (or 150221983 counting only the distinct ones).

The product of its digits is 184320, while the sum is 38.

Adding to 131444224625 its reverse (526422444131), we get a palindrome (657866668756).

The spelling of 131444224625 in words is "one hundred thirty-one billion, four hundred forty-four million, two hundred twenty-four thousand, six hundred twenty-five".