131523443425 has 12 divisors (see below), whose sum is σ = 177915349296. Its totient is φ = 95653413200.

The previous prime is 131523443407. The next prime is 131523443453. The reversal of 131523443425 is 524344325131.

It is not a de Polignac number, because 131523443425 - 2¹⁹ = 131522919137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239133259 + ... + 239133808.

It is an arithmetic number, because the mean of its divisors is an integer number (14826279108).

Almost surely, 2^131523443425 is an apocalyptic number.

It is an amenable number.

131523443425 is a deficient number, since it is larger than the sum of its proper divisors (46391905871).

131523443425 is a wasteful number, since it uses less digits than its factorization.

131523443425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478267088 (or 478267083 counting only the distinct ones).

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

Adding to 131523443425 its reverse (524344325131), we get a palindrome (655867768556).

The spelling of 131523443425 in words is "one hundred thirty-one billion, five hundred twenty-three million, four hundred forty-three thousand, four hundred twenty-five".