318055 has 4 divisors (see below), whose sum is σ = 381672. Its totient is φ = 254440.

The previous prime is 318023. The next prime is 318077. The reversal of 318055 is 550813.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 318055 - 2⁵ = 318023 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31801 + ... + 31810.

It is an arithmetic number, because the mean of its divisors is an integer number (95418).

2³¹⁸⁰⁵⁵ is an apocalyptic number.

318055 is a deficient number, since it is larger than the sum of its proper divisors (63617).

318055 is an equidigital number, since it uses as much as digits as its factorization.

318055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63616.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 318055 is about 563.9636513110. The cubic root of 318055 is about 68.2601768470.

Adding to 318055 its reverse (550813), we get a palindrome (868868).

The spelling of 318055 in words is "three hundred eighteen thousand, fifty-five".