318113223 has 4 divisors (see below), whose sum is σ = 424150968. Its totient is φ = 212075480.

The previous prime is 318113179. The next prime is 318113233. The reversal of 318113223 is 322311813.

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

It is a cyclic number.

It is not a de Polignac number, because 318113223 - 2¹⁷ = 317982151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 318113193 and 318113202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318113233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53018868 + ... + 53018873.

It is an arithmetic number, because the mean of its divisors is an integer number (106037742).

Almost surely, 2^318113223 is an apocalyptic number.

318113223 is a deficient number, since it is larger than the sum of its proper divisors (106037745).

318113223 is a wasteful number, since it uses less digits than its factorization.

318113223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106037744.

The product of its digits is 864, while the sum is 24.

The square root of 318113223 is about 17835.7288328792. The cubic root of 318113223 is about 682.6434181826.

The spelling of 318113223 in words is "three hundred eighteen million, one hundred thirteen thousand, two hundred twenty-three".