243331042 has 8 divisors (see below), whose sum is σ = 365760000. Its totient is φ = 121411044.

The previous prime is 243330991. The next prime is 243331087. The reversal of 243331042 is 240133342.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126042 + ... + 127957.

It is an arithmetic number, because the mean of its divisors is an integer number (45720000).

Almost surely, 2^243331042 is an apocalyptic number.

243331042 is a deficient number, since it is larger than the sum of its proper divisors (122428958).

243331042 is a wasteful number, since it uses less digits than its factorization.

243331042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254480.

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

The square root of 243331042 is about 15599.0718313623. The cubic root of 243331042 is about 624.3083908050.

Adding to 243331042 its reverse (240133342), we get a palindrome (483464384).

The spelling of 243331042 in words is "two hundred forty-three million, three hundred thirty-one thousand, forty-two".