131134332 has 24 divisors (see below), whose sum is σ = 349691776. Its totient is φ = 37466928.

The previous prime is 131134313. The next prime is 131134337. The reversal of 131134332 is 233431131.

It is a Harshad number since it is a multiple of its sum of digits (21).

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

It is a junction number, because it is equal to n+sod(n) for n = 131134299 and 131134308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131134337) 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, 780478 + ... + 780645.

Almost surely, 2^131134332 is an apocalyptic number.

131134332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131134332 is an abundant number, since it is smaller than the sum of its proper divisors (218557444).

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

131134332 is a wasteful number, since it uses less digits than its factorization.

131134332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561137 (or 1561135 counting only the distinct ones).

The product of its digits is 648, while the sum is 21.

The square root of 131134332 is about 11451.3899593019. The cubic root of 131134332 is about 508.0488462341.

Adding to 131134332 its reverse (233431131), we get a palindrome (364565463).

The spelling of 131134332 in words is "one hundred thirty-one million, one hundred thirty-four thousand, three hundred thirty-two".