318004009343 has 4 divisors (see below), whose sum is σ = 318022511928. Its totient is φ = 317985506760.

The previous prime is 318004009333. The next prime is 318004009361. The reversal of 318004009343 is 343900400813.

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 318004009343 - 2¹² = 318004005247 is a prime.

It is a super-2 number, since 2×318004009343² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318004009313) 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, 9225488 + ... + 9259893.

It is an arithmetic number, because the mean of its divisors is an integer number (79505627982).

Almost surely, 2^318004009343 is an apocalyptic number.

318004009343 is a deficient number, since it is larger than the sum of its proper divisors (18502585).

318004009343 is a wasteful number, since it uses less digits than its factorization.

318004009343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18502584.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 318004009343 in words is "three hundred eighteen billion, four million, nine thousand, three hundred forty-three".