16288231 has 2 divisors, whose sum is σ = 16288232. Its totient is φ = 16288230.

The previous prime is 16288229. The next prime is 16288241. The reversal of 16288231 is 13288261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16288231 - 2¹ = 16288229 is a prime.

It is a super-2 number, since 2×16288231² = 530612938218722, which contains 22 as substring.

Together with 16288229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 16288193 and 16288202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16288201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8144115 + 8144116.

It is an arithmetic number, because the mean of its divisors is an integer number (8144116).

Almost surely, 2^16288231 is an apocalyptic number.

16288231 is a deficient number, since it is larger than the sum of its proper divisors (1).

16288231 is an equidigital number, since it uses as much as digits as its factorization.

16288231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 31.

The square root of 16288231 is about 4035.8680602815. The cubic root of 16288231 is about 253.4883317783.

The spelling of 16288231 in words is "sixteen million, two hundred eighty-eight thousand, two hundred thirty-one".