321044242 has 4 divisors (see below), whose sum is σ = 481566366. Its totient is φ = 160522120.

The previous prime is 321044203. The next prime is 321044257. The reversal of 321044242 is 242440123.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242440123 = 271 ⋅894613.

It can be written as a sum of positive squares in only one way, i.e., 254115481 + 66928761 = 15941^2 + 8181^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80261059 + ... + 80261062.

Almost surely, 2^321044242 is an apocalyptic number.

321044242 is a deficient number, since it is larger than the sum of its proper divisors (160522124).

321044242 is a wasteful number, since it uses less digits than its factorization.

321044242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160522123.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 321044242 is about 17917.7074984497. The cubic root of 321044242 is about 684.7335827935.

Adding to 321044242 its reverse (242440123), we get a palindrome (563484365).

The spelling of 321044242 in words is "three hundred twenty-one million, forty-four thousand, two hundred forty-two".