321043442 has 16 divisors (see below), whose sum is σ = 488177280. Its totient is φ = 158330928.

The previous prime is 321043433. The next prime is 321043447. The reversal of 321043442 is 244340123.

321043442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (321043447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48008 + ... + 54284.

It is an arithmetic number, because the mean of its divisors is an integer number (30511080).

Almost surely, 2^321043442 is an apocalyptic number.

321043442 is a deficient number, since it is larger than the sum of its proper divisors (167133838).

321043442 is a wasteful number, since it uses less digits than its factorization.

321043442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6625.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 321043442 is about 17917.6851741513. The cubic root of 321043442 is about 684.7330140377.

Adding to 321043442 its reverse (244340123), we get a palindrome (565383565).

The spelling of 321043442 in words is "three hundred twenty-one million, forty-three thousand, four hundred forty-two".