321219703338 has 16 divisors (see below), whose sum is σ = 642459670176. Its totient is φ = 107069857200.

The previous prime is 321219703291. The next prime is 321219703349. The reversal of 321219703338 is 833307912123.

It is a self number, because there is not a number n which added to its sum of digits gives 321219703338.

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 in 7 ways as a sum of consecutive naturals, for example, 634213 + ... + 1022088.

It is an arithmetic number, because the mean of its divisors is an integer number (40153729386).

Almost surely, 2^321219703338 is an apocalyptic number.

321219703338 is an abundant number, since it is smaller than the sum of its proper divisors (321239966838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321219703338 is a wasteful number, since it uses less digits than its factorization.

321219703338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688629.

The product of its (nonzero) digits is 163296, while the sum is 42.

The spelling of 321219703338 in words is "three hundred twenty-one billion, two hundred nineteen million, seven hundred three thousand, three hundred thirty-eight".