313300243 has 2 divisors, whose sum is σ = 313300244. Its totient is φ = 313300242.

The previous prime is 313300223. The next prime is 313300303. The reversal of 313300243 is 342003313.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313300243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313300243.

It is not a weakly prime, because it can be changed into another prime (313300213) 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, 156650121 + 156650122.

It is an arithmetic number, because the mean of its divisors is an integer number (156650122).

Almost surely, 2^313300243 is an apocalyptic number.

313300243 is a deficient number, since it is larger than the sum of its proper divisors (1).

313300243 is an equidigital number, since it uses as much as digits as its factorization.

313300243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 313300243 is about 17700.2893479175. The cubic root of 313300243 is about 679.1831620585.

Adding to 313300243 its reverse (342003313), we get a palindrome (655303556).

The spelling of 313300243 in words is "three hundred thirteen million, three hundred thousand, two hundred forty-three".