216314071 has 2 divisors, whose sum is σ = 216314072. Its totient is φ = 216314070.

The previous prime is 216314053. The next prime is 216314093. The reversal of 216314071 is 170413612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 216314071 - 2⁷ = 216313943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216314051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108157035 + 108157036.

It is an arithmetic number, because the mean of its divisors is an integer number (108157036).

Almost surely, 2^216314071 is an apocalyptic number.

216314071 is a deficient number, since it is larger than the sum of its proper divisors (1).

216314071 is an equidigital number, since it uses as much as digits as its factorization.

216314071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 216314071 is about 14707.6194878709. The cubic root of 216314071 is about 600.2906656479.

Adding to 216314071 its reverse (170413612), we get a palindrome (386727683).

The spelling of 216314071 in words is "two hundred sixteen million, three hundred fourteen thousand, seventy-one".