231006224 has 40 divisors (see below), whose sum is σ = 457952832. Its totient is φ = 112844160.

The previous prime is 231006221. The next prime is 231006233. The reversal of 231006224 is 422600132.

It is a junction number, because it is equal to n+sod(n) for n = 231006196 and 231006205.

It is not an unprimeable number, because it can be changed into a prime (231006221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280277 + ... + 281099.

Almost surely, 2^231006224 is an apocalyptic number.

It is an amenable number.

231006224 is a deficient number, since it is larger than the sum of its proper divisors (226946608).

231006224 is a wasteful number, since it uses less digits than its factorization.

231006224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215 (or 1209 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 231006224 is about 15198.8889067589. Note that the first 3 decimals coincide. The cubic root of 231006224 is about 613.5847546198.

Adding to 231006224 its reverse (422600132), we get a palindrome (653606356).

The spelling of 231006224 in words is "two hundred thirty-one million, six thousand, two hundred twenty-four".