331242344430242 has 32 divisors (see below), whose sum is σ = 568102252610304. Its totient is φ = 141896449094400.

The previous prime is 331242344430233. The next prime is 331242344430259. The reversal of 331242344430242 is 242034443242133.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 331242344430242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2035664678 + ... + 2035827390.

It is an arithmetic number, because the mean of its divisors is an integer number (17753195394072).

Almost surely, 2^{331242344430242} is an apocalyptic number.

331242344430242 is a deficient number, since it is larger than the sum of its proper divisors (236859908180062).

331242344430242 is a wasteful number, since it uses less digits than its factorization.

331242344430242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227954.

The product of its (nonzero) digits is 1327104, while the sum is 41.

Adding to 331242344430242 its reverse (242034443242133), we get a palindrome (573276787672375).

The spelling of 331242344430242 in words is "three hundred thirty-one trillion, two hundred forty-two billion, three hundred forty-four million, four hundred thirty thousand, two hundred forty-two".