131332452 has 24 divisors (see below), whose sum is σ = 306801600. Its totient is φ = 43726176.

The previous prime is 131332433. The next prime is 131332457. The reversal of 131332452 is 254233131.

It is not an unprimeable number, because it can be changed into a prime (131332457) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5074 + ... + 16982.

It is an arithmetic number, because the mean of its divisors is an integer number (12783400).

Almost surely, 2^131332452 is an apocalyptic number.

131332452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131332452 is an abundant number, since it is smaller than the sum of its proper divisors (175469148).

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

131332452 is a wasteful number, since it uses less digits than its factorization.

131332452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12835 (or 12833 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 131332452 is about 11460.0371727146. The cubic root of 131332452 is about 508.3045737977.

Adding to 131332452 its reverse (254233131), we get a palindrome (385565583).

The spelling of 131332452 in words is "one hundred thirty-one million, three hundred thirty-two thousand, four hundred fifty-two".