231043032 has 48 divisors (see below), whose sum is σ = 682629480. Its totient is φ = 70012800.

The previous prime is 231043003. The next prime is 231043037. The reversal of 231043032 is 230340132.

231043032 is a `hidden beast` number, since 231 + 0 + 430 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 231042996 and 231043014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231043037) 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 11 ways as a sum of consecutive naturals, for example, 145069 + ... + 146652.

Almost surely, 2^231043032 is an apocalyptic number.

231043032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231043032 is an abundant number, since it is smaller than the sum of its proper divisors (451586448).

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

231043032 is a wasteful number, since it uses less digits than its factorization.

231043032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291744 (or 291737 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 231043032 is about 15200.0997365149. The cubic root of 231043032 is about 613.6173419498.

Adding to 231043032 its reverse (230340132), we get a palindrome (461383164).

The spelling of 231043032 in words is "two hundred thirty-one million, forty-three thousand, thirty-two".