321111320242 has 8 divisors (see below), whose sum is σ = 482468424732. Its totient is φ = 160288512000.

The previous prime is 321111320209. The next prime is 321111320249. The reversal of 321111320242 is 242023111123.

It can be written as a sum of positive squares in 2 ways, for example, as 283533885441 + 37577434801 = 532479^2 + 193849^2 .

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

It is a super-2 number, since 2×321111320242² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321111320249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133572559 + ... + 133574962.

Almost surely, 2^321111320242 is an apocalyptic number.

321111320242 is a deficient number, since it is larger than the sum of its proper divisors (161357104490).

321111320242 is a wasteful number, since it uses less digits than its factorization.

321111320242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267148124.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 321111320242 its reverse (242023111123), we get a palindrome (563134431365).

The spelling of 321111320242 in words is "three hundred twenty-one billion, one hundred eleven million, three hundred twenty thousand, two hundred forty-two".