312214313 has 2 divisors, whose sum is σ = 312214314. Its totient is φ = 312214312.

The previous prime is 312214297. The next prime is 312214381. The reversal of 312214313 is 313412213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 305096089 + 7118224 = 17467^2 + 2668^2 .

It is an emirp because it is prime and its reverse (313412213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312214313 - 2⁴ = 312214297 is a prime.

It is not a weakly prime, because it can be changed into another prime (312214393) 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, 156107156 + 156107157.

It is an arithmetic number, because the mean of its divisors is an integer number (156107157).

Almost surely, 2^312214313 is an apocalyptic number.

It is an amenable number.

312214313 is a deficient number, since it is larger than the sum of its proper divisors (1).

312214313 is an equidigital number, since it uses as much as digits as its factorization.

312214313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 20.

The square root of 312214313 is about 17669.5872334359. The cubic root of 312214313 is about 678.3975480799.

Adding to 312214313 its reverse (313412213), we get a palindrome (625626526).

The spelling of 312214313 in words is "three hundred twelve million, two hundred fourteen thousand, three hundred thirteen".