321219116 has 12 divisors (see below), whose sum is σ = 575206632. Its totient is φ = 156874368.

The previous prime is 321219083. The next prime is 321219121. The reversal of 321219116 is 611912123.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 933605 + ... + 933948.

It is an arithmetic number, because the mean of its divisors is an integer number (47933886).

Almost surely, 2^321219116 is an apocalyptic number.

It is an amenable number.

321219116 is a deficient number, since it is larger than the sum of its proper divisors (253987516).

321219116 is a wasteful number, since it uses less digits than its factorization.

321219116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867600 (or 1867598 counting only the distinct ones).

The product of its digits is 648, while the sum is 26.

The square root of 321219116 is about 17922.5867552650. The cubic root of 321219116 is about 684.8578858751.

The spelling of 321219116 in words is "three hundred twenty-one million, two hundred nineteen thousand, one hundred sixteen".