312230299 has 2 divisors, whose sum is σ = 312230300. Its totient is φ = 312230298.

The previous prime is 312230297. The next prime is 312230311. The reversal of 312230299 is 992032213.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (992032213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312230299 - 2¹ = 312230297 is a prime.

It is a super-2 number, since 2×312230299² = 194975519227258802, which contains 22 as substring.

Together with 312230297, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 312230299.

It is not a weakly prime, because it can be changed into another prime (312230297) 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, 156115149 + 156115150.

It is an arithmetic number, because the mean of its divisors is an integer number (156115150).

Almost surely, 2^312230299 is an apocalyptic number.

312230299 is a deficient number, since it is larger than the sum of its proper divisors (1).

312230299 is an equidigital number, since it uses as much as digits as its factorization.

312230299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 312230299 is about 17670.0395868261. The cubic root of 312230299 is about 678.4091263214.

The spelling of 312230299 in words is "three hundred twelve million, two hundred thirty thousand, two hundred ninety-nine".