321327116 has 36 divisors (see below), whose sum is σ = 622034616. Its totient is φ = 145126080.

The previous prime is 321327103. The next prime is 321327133. The reversal of 321327116 is 611723123.

It is a super-2 number, since 2×321327116² = 206502230953754912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76856 + ... + 80928.

Almost surely, 2^321327116 is an apocalyptic number.

It is an amenable number.

321327116 is a deficient number, since it is larger than the sum of its proper divisors (300707500).

321327116 is a wasteful number, since it uses less digits than its factorization.

321327116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4262 (or 4249 counting only the distinct ones).

The product of its digits is 1512, while the sum is 26.

The square root of 321327116 is about 17925.5994599902. The cubic root of 321327116 is about 684.9346313738.

The spelling of 321327116 in words is "three hundred twenty-one million, three hundred twenty-seven thousand, one hundred sixteen".