321104320142 has 4 divisors (see below), whose sum is σ = 481656480216. Its totient is φ = 160552160070.

The previous prime is 321104320093. The next prime is 321104320153. The reversal of 321104320142 is 241023401123.

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

It is a congruent number.

It is an unprimeable number.

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, 80276080034 + ... + 80276080037.

It is an arithmetic number, because the mean of its divisors is an integer number (120414120054).

Almost surely, 2^321104320142 is an apocalyptic number.

321104320142 is a deficient number, since it is larger than the sum of its proper divisors (160552160074).

321104320142 is a wasteful number, since it uses less digits than its factorization.

321104320142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160552160073.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 321104320142 its reverse (241023401123), we get a palindrome (562127721265).

The spelling of 321104320142 in words is "three hundred twenty-one billion, one hundred four million, three hundred twenty thousand, one hundred forty-two".