216902303 has 12 divisors (see below), whose sum is σ = 231568872. Its totient is φ = 203118720.

The previous prime is 216902293. The next prime is 216902417. The reversal of 216902303 is 303209612.

It is not a de Polignac number, because 216902303 - 2¹⁸ = 216640159 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 (216902003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59201 + ... + 62757.

It is an arithmetic number, because the mean of its divisors is an integer number (19297406).

Almost surely, 2^216902303 is an apocalyptic number.

216902303 is a deficient number, since it is larger than the sum of its proper divisors (14666569).

216902303 is a wasteful number, since it uses less digits than its factorization.

216902303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3802 (or 3785 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 216902303 is about 14727.6034370837. The cubic root of 216902303 is about 600.8343050947.

The spelling of 216902303 in words is "two hundred sixteen million, nine hundred two thousand, three hundred three".