231043338 has 24 divisors (see below), whose sum is σ = 500912100. Its totient is φ = 76965504.

The previous prime is 231043313. The next prime is 231043339. The reversal of 231043338 is 833340132.

It can be written as a sum of positive squares in 2 ways, for example, as 226893969 + 4149369 = 15063^2 + 2037^2 .

It is not an unprimeable number, because it can be changed into a prime (231043339) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 35308 + ... + 41336.

Almost surely, 2^231043338 is an apocalyptic number.

231043338 is an abundant number, since it is smaller than the sum of its proper divisors (269868762).

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

231043338 is a wasteful number, since it uses less digits than its factorization.

231043338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8166 (or 8163 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 231043338 is about 15200.1098022350. The cubic root of 231043338 is about 613.6176128472.

The spelling of 231043338 in words is "two hundred thirty-one million, forty-three thousand, three hundred thirty-eight".