331200242 has 8 divisors (see below), whose sum is σ = 513931500. Its totient is φ = 159889744.

The previous prime is 331200241. The next prime is 331200257. The reversal of 331200242 is 242002133.

It can be written as a sum of positive squares in 2 ways, for example, as 330476041 + 724201 = 18179^2 + 851^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 331200242.

It is not an unprimeable number, because it can be changed into a prime (331200241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2855117 + ... + 2855232.

Almost surely, 2^331200242 is an apocalyptic number.

331200242 is a deficient number, since it is larger than the sum of its proper divisors (182731258).

331200242 is a wasteful number, since it uses less digits than its factorization.

331200242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5710380.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 331200242 is about 18198.9077144756. The cubic root of 331200242 is about 691.8791053131.

Adding to 331200242 its reverse (242002133), we get a palindrome (573202375).

The spelling of 331200242 in words is "three hundred thirty-one million, two hundred thousand, two hundred forty-two".