312283 has 2 divisors, whose sum is σ = 312284. Its totient is φ = 312282.

The previous prime is 312281. The next prime is 312289. The reversal of 312283 is 382213.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312283 - 2¹ = 312281 is a prime.

Together with 312281, it forms a pair of twin primes.

312283 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 312283.

It is not a weakly prime, because it can be changed into another prime (312281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156141 + 156142.

It is an arithmetic number, because the mean of its divisors is an integer number (156142).

2³¹²²⁸³ is an apocalyptic number.

312283 is a deficient number, since it is larger than the sum of its proper divisors (1).

312283 is an equidigital number, since it uses as much as digits as its factorization.

312283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 19.

The square root of 312283 is about 558.8228699687. The cubic root of 312283 is about 67.8447293478.

Adding to 312283 its reverse (382213), we get a palindrome (694496).

It can be divided in two parts, 312 and 283, that added together give a palindrome (595).

The spelling of 312283 in words is "three hundred twelve thousand, two hundred eighty-three".