118911313 has 2 divisors, whose sum is σ = 118911314. Its totient is φ = 118911312.

The previous prime is 118911307. The next prime is 118911341. The reversal of 118911313 is 313119811.

It is an a-pointer prime, because the next prime (118911341) can be obtained adding 118911313 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114318864 + 4592449 = 10692^2 + 2143^2 .

It is an emirp because it is prime and its reverse (313119811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118911313 - 2²¹ = 116814161 is a prime.

It is not a weakly prime, because it can be changed into another prime (118911113) 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, 59455656 + 59455657.

It is an arithmetic number, because the mean of its divisors is an integer number (59455657).

Almost surely, 2^118911313 is an apocalyptic number.

It is an amenable number.

118911313 is a deficient number, since it is larger than the sum of its proper divisors (1).

118911313 is an equidigital number, since it uses as much as digits as its factorization.

118911313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 28.

The square root of 118911313 is about 10904.6463950006. The cubic root of 118911313 is about 491.7462516515.

The spelling of 118911313 in words is "one hundred eighteen million, nine hundred eleven thousand, three hundred thirteen".