118328311 has 4 divisors (see below), whose sum is σ = 118486624. Its totient is φ = 118170000.

The previous prime is 118328299. The next prime is 118328321. The reversal of 118328311 is 113823811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113823811 = 29 ⋅3924959.

It is a cyclic number.

It is not a de Polignac number, because 118328311 - 2⁹ = 118327799 is a prime.

It is a super-2 number, since 2×118328311² = 28003178368225442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118328311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118328321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78030 + ... + 79531.

It is an arithmetic number, because the mean of its divisors is an integer number (29621656).

Almost surely, 2^118328311 is an apocalyptic number.

118328311 is a deficient number, since it is larger than the sum of its proper divisors (158313).

118328311 is an equidigital number, since it uses as much as digits as its factorization.

118328311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158312.

The product of its digits is 1152, while the sum is 28.

The square root of 118328311 is about 10877.8817331317. The cubic root of 118328311 is about 490.9412851865.

The spelling of 118328311 in words is "one hundred eighteen million, three hundred twenty-eight thousand, three hundred eleven".