3116321 has 16 divisors (see below), whose sum is σ = 3628800. Its totient is φ = 2650368.

The previous prime is 3116317. The next prime is 3116327. The reversal of 3116321 is 1236113.

3116321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3116321 - 2² = 3116317 is a prime.

It is a super-2 number, since 2×3116321² = 19422913150082, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3116321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3116327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12920 + ... + 13158.

It is an arithmetic number, because the mean of its divisors is an integer number (226800).

Almost surely, 2^3116321 is an apocalyptic number.

It is an amenable number.

3116321 is a deficient number, since it is larger than the sum of its proper divisors (512479).

3116321 is a wasteful number, since it uses less digits than its factorization.

3116321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328.

The product of its digits is 108, while the sum is 17.

The square root of 3116321 is about 1765.3104542828. The cubic root of 3116321 is about 146.0654144851.

The spelling of 3116321 in words is "three million, one hundred sixteen thousand, three hundred twenty-one".