321204344340202 has 16 divisors (see below), whose sum is σ = 488599890149952. Its totient is φ = 158337782497440.

The previous prime is 321204344340151. The next prime is 321204344340281. The reversal of 321204344340202 is 202043443402123.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7581648 + ... + 26455435.

It is an arithmetic number, because the mean of its divisors is an integer number (30537493134372).

Almost surely, 2^{321204344340202} is an apocalyptic number.

321204344340202 is a deficient number, since it is larger than the sum of its proper divisors (167395545809750).

321204344340202 is a wasteful number, since it uses less digits than its factorization.

321204344340202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34103613.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 321204344340202 its reverse (202043443402123), we get a palindrome (523247787742325).

The spelling of 321204344340202 in words is "three hundred twenty-one trillion, two hundred four billion, three hundred forty-four million, three hundred forty thousand, two hundred two".