286028231 has 2 divisors, whose sum is σ = 286028232. Its totient is φ = 286028230.

The previous prime is 286028221. The next prime is 286028251. The reversal of 286028231 is 132820682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 286028231 - 2²⁶ = 218919367 is a prime.

It is a super-2 number, since 2×286028231² = 163624297857978722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (286028201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143014115 + 143014116.

It is an arithmetic number, because the mean of its divisors is an integer number (143014116).

Almost surely, 2^286028231 is an apocalyptic number.

286028231 is a deficient number, since it is larger than the sum of its proper divisors (1).

286028231 is an equidigital number, since it uses as much as digits as its factorization.

286028231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 286028231 is about 16912.3691717039. The cubic root of 286028231 is about 658.8749051608.

The spelling of 286028231 in words is "two hundred eighty-six million, twenty-eight thousand, two hundred thirty-one".