118311 has 8 divisors (see below), whose sum is σ = 159600. Its totient is φ = 77952.

The previous prime is 118297. The next prime is 118343. The reversal of 118311 is 113811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 118311 - 2⁶ = 118247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165 + ... + 513.

It is an arithmetic number, because the mean of its divisors is an integer number (19950).

2¹¹⁸³¹¹ is an apocalyptic number.

118311 is a deficient number, since it is larger than the sum of its proper divisors (41289).

118311 is a wasteful number, since it uses less digits than its factorization.

118311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465.

The product of its digits is 24, while the sum is 15.

The square root of 118311 is about 343.9636608713. The cubic root of 118311 is about 49.0917343046.

The spelling of 118311 in words is "one hundred eighteen thousand, three hundred eleven".