321116063 has 2 divisors, whose sum is σ = 321116064. Its totient is φ = 321116062.

The previous prime is 321116053. The next prime is 321116069. The reversal of 321116063 is 360611123.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321116063 - 2¹⁸ = 320853919 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321116069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160558031 + 160558032.

It is an arithmetic number, because the mean of its divisors is an integer number (160558032).

Almost surely, 2^321116063 is an apocalyptic number.

321116063 is a deficient number, since it is larger than the sum of its proper divisors (1).

321116063 is an equidigital number, since it uses as much as digits as its factorization.

321116063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 321116063 is about 17919.7115769200. The cubic root of 321116063 is about 684.7846397066.

Adding to 321116063 its reverse (360611123), we get a palindrome (681727186).

The spelling of 321116063 in words is "three hundred twenty-one million, one hundred sixteen thousand, sixty-three".