231043334 has 4 divisors (see below), whose sum is σ = 346565004. Its totient is φ = 115521666.

The previous prime is 231043313. The next prime is 231043339. The reversal of 231043334 is 433340132.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 57760832 + ... + 57760835.

It is an arithmetic number, because the mean of its divisors is an integer number (86641251).

Almost surely, 2^231043334 is an apocalyptic number.

231043334 is a deficient number, since it is larger than the sum of its proper divisors (115521670).

231043334 is a wasteful number, since it uses less digits than its factorization.

231043334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115521669.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 231043334 is about 15200.1096706570. The cubic root of 231043334 is about 613.6176093060.

Adding to 231043334 its reverse (433340132), we get a palindrome (664383466).

The spelling of 231043334 in words is "two hundred thirty-one million, forty-three thousand, three hundred thirty-four".