231141224 has 8 divisors (see below), whose sum is σ = 433389810. Its totient is φ = 115570608.

The previous prime is 231141217. The next prime is 231141233. The reversal of 231141224 is 422141132.

231141224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 228312100 + 2829124 = 15110^2 + 1682^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 231141196 and 231141205.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 14446319 + ... + 14446334.

Almost surely, 2^231141224 is an apocalyptic number.

It is an amenable number.

231141224 is a deficient number, since it is larger than the sum of its proper divisors (202248586).

231141224 is a wasteful number, since it uses less digits than its factorization.

231141224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28892659 (or 28892655 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 231141224 is about 15203.3293722132. The cubic root of 231141224 is about 613.7042576208.

Adding to 231141224 its reverse (422141132), we get a palindrome (653282356).

The spelling of 231141224 in words is "two hundred thirty-one million, one hundred forty-one thousand, two hundred twenty-four".