131344332 has 24 divisors (see below), whose sum is σ = 350251776. Its totient is φ = 37526928.

The previous prime is 131344271. The next prime is 131344333. The reversal of 131344332 is 233443131.

131344332 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (131344333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781728 + ... + 781895.

It is an arithmetic number, because the mean of its divisors is an integer number (14593824).

Almost surely, 2^131344332 is an apocalyptic number.

131344332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131344332 is an abundant number, since it is smaller than the sum of its proper divisors (218907444).

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

131344332 is a wasteful number, since it uses less digits than its factorization.

131344332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563637 (or 1563635 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

The square root of 131344332 is about 11460.5554839196. Note that the first 3 decimals coincide. The cubic root of 131344332 is about 508.3198999824.

Adding to 131344332 its reverse (233443131), we get a palindrome (364787463).

The spelling of 131344332 in words is "one hundred thirty-one million, three hundred forty-four thousand, three hundred thirty-two".