321111242 has 8 divisors (see below), whose sum is σ = 482657376. Its totient is φ = 160225452.

The previous prime is 321111239. The next prime is 321111253. The reversal of 321111242 is 242111123.

321111242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×321111242² = 206224859477565128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 321111242.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 163868 + ... + 165815.

It is an arithmetic number, because the mean of its divisors is an integer number (60332172).

Almost surely, 2^321111242 is an apocalyptic number.

321111242 is a deficient number, since it is larger than the sum of its proper divisors (161546134).

321111242 is a wasteful number, since it uses less digits than its factorization.

321111242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330172.

The product of its digits is 96, while the sum is 17.

The square root of 321111242 is about 17919.5770597411. The cubic root of 321111242 is about 684.7812127387.

Adding to 321111242 its reverse (242111123), we get a palindrome (563222365).

The spelling of 321111242 in words is "three hundred twenty-one million, one hundred eleven thousand, two hundred forty-two".