321231142244 has 24 divisors (see below), whose sum is σ = 577133460288. Its totient is φ = 156382135520.

The previous prime is 321231142207. The next prime is 321231142261. The reversal of 321231142244 is 442241132123.

It is a super-2 number, since 2×321231142244² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5755592 + ... + 5811135.

It is an arithmetic number, because the mean of its divisors is an integer number (24047227512).

Almost surely, 2^321231142244 is an apocalyptic number.

It is an amenable number.

321231142244 is a deficient number, since it is larger than the sum of its proper divisors (255902318044).

321231142244 is a wasteful number, since it uses less digits than its factorization.

321231142244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11566915 (or 11566913 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

Adding to 321231142244 its reverse (442241132123), we get a palindrome (763472274367).

The spelling of 321231142244 in words is "three hundred twenty-one billion, two hundred thirty-one million, one hundred forty-two thousand, two hundred forty-four".