240213313 has 2 divisors, whose sum is σ = 240213314. Its totient is φ = 240213312.

The previous prime is 240213307. The next prime is 240213317. The reversal of 240213313 is 313312042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 236944449 + 3268864 = 15393^2 + 1808^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240213313 is a prime.

It is not a weakly prime, because it can be changed into another prime (240213317) 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, 120106656 + 120106657.

It is an arithmetic number, because the mean of its divisors is an integer number (120106657).

Almost surely, 2^240213313 is an apocalyptic number.

It is an amenable number.

240213313 is a deficient number, since it is larger than the sum of its proper divisors (1).

240213313 is an equidigital number, since it uses as much as digits as its factorization.

240213313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 240213313 is about 15498.8165032044. The cubic root of 240213313 is about 621.6305614169.

Adding to 240213313 its reverse (313312042), we get a palindrome (553525355).

The spelling of 240213313 in words is "two hundred forty million, two hundred thirteen thousand, three hundred thirteen".