131325424 has 20 divisors (see below), whose sum is σ = 262651840. Its totient is φ = 63544320.

The previous prime is 131325421. The next prime is 131325433. The reversal of 131325424 is 424523131.

131325424 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131325421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131889 + ... + 132880.

It is an arithmetic number, because the mean of its divisors is an integer number (13132592).

Almost surely, 2^131325424 is an apocalyptic number.

It is an amenable number.

131325424 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131325424 is a wasteful number, since it uses less digits than its factorization.

131325424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264808 (or 264802 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 131325424 is about 11459.7305378442. The cubic root of 131325424 is about 508.2955066600.

Adding to 131325424 its reverse (424523131), we get a palindrome (555848555).

The spelling of 131325424 in words is "one hundred thirty-one million, three hundred twenty-five thousand, four hundred twenty-four".