316354574218 has 4 divisors (see below), whose sum is σ = 474531861330. Its totient is φ = 158177287108.

The previous prime is 316354574213. The next prime is 316354574219. The reversal of 316354574218 is 812475453613.

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

It can be written as a sum of positive squares in only one way, i.e., 293301314329 + 23053259889 = 541573^2 + 151833^2 .

It is not an unprimeable number, because it can be changed into a prime (316354574213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79088643553 + ... + 79088643556.

Almost surely, 2^316354574218 is an apocalyptic number.

316354574218 is a deficient number, since it is larger than the sum of its proper divisors (158177287112).

316354574218 is a wasteful number, since it uses less digits than its factorization.

316354574218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158177287111.

The product of its digits is 2419200, while the sum is 49.

The spelling of 316354574218 in words is "three hundred sixteen billion, three hundred fifty-four million, five hundred seventy-four thousand, two hundred eighteen".