321042441 has 16 divisors (see below), whose sum is σ = 462072960. Its totient is φ = 197662080.

The previous prime is 321042439. The next prime is 321042443. The reversal of 321042441 is 144240123.

It is an interprime number because it is at equal distance from previous prime (321042439) and next prime (321042443).

It is not a de Polignac number, because 321042441 - 2¹ = 321042439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321042443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78220 + ... + 82221.

It is an arithmetic number, because the mean of its divisors is an integer number (28879560).

Almost surely, 2^321042441 is an apocalyptic number.

It is an amenable number.

321042441 is a deficient number, since it is larger than the sum of its proper divisors (141030519).

321042441 is a wasteful number, since it uses less digits than its factorization.

321042441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160496.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 321042441 is about 17917.6572408337. The cubic root of 321042441 is about 684.7323023807.

Adding to 321042441 its reverse (144240123), we get a palindrome (465282564).

The spelling of 321042441 in words is "three hundred twenty-one million, forty-two thousand, four hundred forty-one".