216234319 has 8 divisors (see below), whose sum is σ = 247317408. Its totient is φ = 185199360.

The previous prime is 216234289. The next prime is 216234349. The reversal of 216234319 is 913432612.

It is an interprime number because it is at equal distance from previous prime (216234289) and next prime (216234349).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 216234319 - 2⁷ = 216234191 is a prime.

It is a super-2 number, since 2×216234319² = 93514561426787522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216234349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1822 + ... + 20875.

It is an arithmetic number, because the mean of its divisors is an integer number (30914676).

Almost surely, 2^216234319 is an apocalyptic number.

216234319 is a deficient number, since it is larger than the sum of its proper divisors (31083089).

216234319 is a wasteful number, since it uses less digits than its factorization.

216234319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24065.

The product of its digits is 7776, while the sum is 31.

The square root of 216234319 is about 14704.9079901916. The cubic root of 216234319 is about 600.2168836301.

It can be divided in two parts, 2162 and 34319, that added together give a square (36481 = 191²).

The spelling of 216234319 in words is "two hundred sixteen million, two hundred thirty-four thousand, three hundred nineteen".