321224213342342 has 4 divisors (see below), whose sum is σ = 481836320013516. Its totient is φ = 160612106671170.

The previous prime is 321224213342341. The next prime is 321224213342353. The reversal of 321224213342342 is 243243312422123.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 321224213342296 and 321224213342305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321224213342341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80306053335584 + ... + 80306053335587.

It is an arithmetic number, because the mean of its divisors is an integer number (120459080003379).

Almost surely, 2^{321224213342342} is an apocalyptic number.

321224213342342 is a deficient number, since it is larger than the sum of its proper divisors (160612106671174).

321224213342342 is a wasteful number, since it uses less digits than its factorization.

321224213342342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160612106671173.

The product of its digits is 331776, while the sum is 38.

Adding to 321224213342342 its reverse (243243312422123), we get a palindrome (564467525764465).

The spelling of 321224213342342 in words is "three hundred twenty-one trillion, two hundred twenty-four billion, two hundred thirteen million, three hundred forty-two thousand, three hundred forty-two".