216230351 has 12 divisors (see below), whose sum is σ = 229442304. Its totient is φ = 203649600.

The previous prime is 216230341. The next prime is 216230353. The reversal of 216230351 is 153032612.

It is not a de Polignac number, because 216230351 - 2²² = 212036047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216230353) 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 11 ways as a sum of consecutive naturals, for example, 31346 + ... + 37616.

It is an arithmetic number, because the mean of its divisors is an integer number (19120192).

Almost surely, 2^216230351 is an apocalyptic number.

216230351 is a deficient number, since it is larger than the sum of its proper divisors (13211953).

216230351 is an equidigital number, since it uses as much as digits as its factorization.

216230351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6370 (or 6341 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 216230351 is about 14704.7730686332. The cubic root of 216230351 is about 600.2132121883.

Adding to 216230351 its reverse (153032612), we get a palindrome (369262963).

The spelling of 216230351 in words is "two hundred sixteen million, two hundred thirty thousand, three hundred fifty-one".