231043342 has 4 divisors (see below), whose sum is σ = 346565016. Its totient is φ = 115521670.

The previous prime is 231043339. The next prime is 231043361. The reversal of 231043342 is 243340132.

It is a happy number.

231043342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57760834 + ... + 57760837.

It is an arithmetic number, because the mean of its divisors is an integer number (86641254).

Almost surely, 2^231043342 is an apocalyptic number.

231043342 is a deficient number, since it is larger than the sum of its proper divisors (115521674).

231043342 is a wasteful number, since it uses less digits than its factorization.

231043342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115521673.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 231043342 is about 15200.1099338130. The cubic root of 231043342 is about 613.6176163883.

Adding to 231043342 its reverse (243340132), we get a palindrome (474383474).

The spelling of 231043342 in words is "two hundred thirty-one million, forty-three thousand, three hundred forty-two".