214243313 has 2 divisors, whose sum is σ = 214243314. Its totient is φ = 214243312.

The previous prime is 214243303. The next prime is 214243349. The reversal of 214243313 is 313342412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109139809 + 105103504 = 10447^2 + 10252^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214243313 is a prime.

It is not a weakly prime, because it can be changed into another prime (214243303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107121656 + 107121657.

It is an arithmetic number, because the mean of its divisors is an integer number (107121657).

Almost surely, 2^214243313 is an apocalyptic number.

It is an amenable number.

214243313 is a deficient number, since it is larger than the sum of its proper divisors (1).

214243313 is an equidigital number, since it uses as much as digits as its factorization.

214243313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 23.

The square root of 214243313 is about 14637.0527429534. The cubic root of 214243313 is about 598.3690084244.

Adding to 214243313 its reverse (313342412), we get a palindrome (527585725).

Subtracting 214243313 from its reverse (313342412), we obtain a palindrome (99099099).

The spelling of 214243313 in words is "two hundred fourteen million, two hundred forty-three thousand, three hundred thirteen".