118240313 has 2 divisors, whose sum is σ = 118240314. Its totient is φ = 118240312.

The previous prime is 118240289. The next prime is 118240319. The reversal of 118240313 is 313042811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101042704 + 17197609 = 10052^2 + 4147^2 .

It is a cyclic number.

It is not a de Polignac number, because 118240313 - 2¹⁴ = 118223929 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (118240319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59120156 + 59120157.

It is an arithmetic number, because the mean of its divisors is an integer number (59120157).

Almost surely, 2^118240313 is an apocalyptic number.

It is an amenable number.

118240313 is a deficient number, since it is larger than the sum of its proper divisors (1).

118240313 is an equidigital number, since it uses as much as digits as its factorization.

118240313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 118240313 is about 10873.8361676089. The cubic root of 118240313 is about 490.8195544846.

The spelling of 118240313 in words is "one hundred eighteen million, two hundred forty thousand, three hundred thirteen".