131345425225 has 12 divisors (see below), whose sum is σ = 186135231424. Its totient is φ = 90065434320.

The previous prime is 131345425219. The next prime is 131345425247. The reversal of 131345425225 is 522524543131.

It is a happy number.

It is not a de Polignac number, because 131345425225 - 2³ = 131345425217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 375272469 + ... + 375272818.

Almost surely, 2^131345425225 is an apocalyptic number.

It is an amenable number.

131345425225 is a deficient number, since it is larger than the sum of its proper divisors (54789806199).

131345425225 is an equidigital number, since it uses as much as digits as its factorization.

131345425225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750545304 (or 750545299 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

Adding to 131345425225 its reverse (522524543131), we get a palindrome (653869968356).

The spelling of 131345425225 in words is "one hundred thirty-one billion, three hundred forty-five million, four hundred twenty-five thousand, two hundred twenty-five".