131330332 has 12 divisors (see below), whose sum is σ = 262660720. Its totient is φ = 56284416.

The previous prime is 131330327. The next prime is 131330347. The reversal of 131330332 is 233033131.

131330332 is an admirable number.

It is a super-2 number, since 2×131330332² = 34495312206460448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2345157 + ... + 2345212.

Almost surely, 2^131330332 is an apocalyptic number.

It is an amenable number.

131330332 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.

131330332 is a wasteful number, since it uses less digits than its factorization.

131330332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4690380 (or 4690378 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 131330332 is about 11459.9446770043. The cubic root of 131330332 is about 508.3018387248.

Adding to 131330332 its reverse (233033131), we get a palindrome (364363463).

The spelling of 131330332 in words is "one hundred thirty-one million, three hundred thirty thousand, three hundred thirty-two".