216314337 has 4 divisors (see below), whose sum is σ = 288419120. Its totient is φ = 144209556.

The previous prime is 216314327. The next prime is 216314377. The reversal of 216314337 is 733413612.

216314337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 216314337 - 2¹⁰ = 216313313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216314327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36052387 + ... + 36052392.

It is an arithmetic number, because the mean of its divisors is an integer number (72104780).

Almost surely, 2^216314337 is an apocalyptic number.

It is an amenable number.

216314337 is a deficient number, since it is larger than the sum of its proper divisors (72104783).

216314337 is an equidigital number, since it uses as much as digits as its factorization.

216314337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72104782.

The product of its digits is 9072, while the sum is 30.

The square root of 216314337 is about 14707.6285307999. The cubic root of 216314337 is about 600.2909117056.

Adding to 216314337 its reverse (733413612), we get a palindrome (949727949).

The spelling of 216314337 in words is "two hundred sixteen million, three hundred fourteen thousand, three hundred thirty-seven".