318671845154 has 16 divisors (see below), whose sum is σ = 514794599928. Its totient is φ = 147074454912.

The previous prime is 318671845139. The next prime is 318671845183. The reversal of 318671845154 is 451548176813.

It can be written as a sum of positive squares in 4 ways, for example, as 236173644529 + 82498200625 = 485977^2 + 287225^2 .

It is a junction number, because it is equal to n+sod(n) for n = 318671845096 and 318671845105.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 670934 + ... + 1042830.

Almost surely, 2^318671845154 is an apocalyptic number.

318671845154 is a deficient number, since it is larger than the sum of its proper divisors (196122754774).

318671845154 is a wasteful number, since it uses less digits than its factorization.

318671845154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404869.

The product of its digits is 3225600, while the sum is 53.

The spelling of 318671845154 in words is "three hundred eighteen billion, six hundred seventy-one million, eight hundred forty-five thousand, one hundred fifty-four".