321103416 has 16 divisors (see below), whose sum is σ = 802758600. Its totient is φ = 107034464.

The previous prime is 321103381. The next prime is 321103441. The reversal of 321103416 is 614301123.

It is a junction number, because it is equal to n+sod(n) for n = 321103392 and 321103401.

It is a congruent number.

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, 6689631 + ... + 6689678.

Almost surely, 2^321103416 is an apocalyptic number.

It is an amenable number.

321103416 is an abundant number, since it is smaller than the sum of its proper divisors (481655184).

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

321103416 is a wasteful number, since it uses less digits than its factorization.

321103416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13379318 (or 13379314 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 321103416 is about 17919.3586938819. The cubic root of 321103416 is about 684.7756496185.

Adding to 321103416 its reverse (614301123), we get a palindrome (935404539).

The spelling of 321103416 in words is "three hundred twenty-one million, one hundred three thousand, four hundred sixteen".