231841132 has 6 divisors (see below), whose sum is σ = 405721988. Its totient is φ = 115920564.

The previous prime is 231841117. The next prime is 231841139. The reversal of 231841132 is 231148132.

It is a happy number.

231841132 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 = 231841097 and 231841106.

It is not an unprimeable number, because it can be changed into a prime (231841139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28980138 + ... + 28980145.

Almost surely, 2^231841132 is an apocalyptic number.

It is an amenable number.

231841132 is a deficient number, since it is larger than the sum of its proper divisors (173880856).

231841132 is a wasteful number, since it uses less digits than its factorization.

231841132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57960287 (or 57960285 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 231841132 is about 15226.3302210349. The cubic root of 231841132 is about 614.3230765500.

Adding to 231841132 its reverse (231148132), we get a palindrome (462989264).

The spelling of 231841132 in words is "two hundred thirty-one million, eight hundred forty-one thousand, one hundred thirty-two".