131730032 has 30 divisors (see below), whose sum is σ = 296898408. Its totient is φ = 56455392.

The previous prime is 131730023. The next prime is 131730061. The reversal of 131730032 is 230037131.

It is a happy number.

131730032 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 131729986 and 131730013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83228 + ... + 84795.

Almost surely, 2^131730032 is an apocalyptic number.

It is an amenable number.

131730032 is an abundant number, since it is smaller than the sum of its proper divisors (165168376).

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

131730032 is a wasteful number, since it uses less digits than its factorization.

131730032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168045 (or 168032 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 131730032 is about 11477.3704305472. The cubic root of 131730032 is about 508.8169836966.

Adding to 131730032 its reverse (230037131), we get a palindrome (361767163).

The spelling of 131730032 in words is "one hundred thirty-one million, seven hundred thirty thousand, thirty-two".