318004143018 has 16 divisors (see below), whose sum is σ = 641843225760. Its totient is φ = 105028891056.

The previous prime is 318004143013. The next prime is 318004143029. The reversal of 318004143018 is 810341400813.

It is a super-2 number, since 2×318004143018² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 318004143018.

It is not an unprimeable number, because it can be changed into a prime (318004143013) 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, 243121780 + ... + 243123087.

It is an arithmetic number, because the mean of its divisors is an integer number (40115201610).

Almost surely, 2^318004143018 is an apocalyptic number.

318004143018 is an abundant number, since it is smaller than the sum of its proper divisors (323839082742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

318004143018 is a wasteful number, since it uses less digits than its factorization.

318004143018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486244981.

The product of its (nonzero) digits is 9216, while the sum is 33.

The spelling of 318004143018 in words is "three hundred eighteen billion, four million, one hundred forty-three thousand, eighteen".