318671816103 has 24 divisors (see below), whose sum is σ = 466334469120. Its totient is φ = 209666817360.

The previous prime is 318671816059. The next prime is 318671816149. The reversal of 318671816103 is 301618176813.

318671816103 is a `hidden beast` number, since 3 + 18 + 6 + 7 + 18 + 1 + 610 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-318671816103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318671811103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1546150 + ... + 1740092.

It is an arithmetic number, because the mean of its divisors is an integer number (19430602880).

Almost surely, 2^318671816103 is an apocalyptic number.

318671816103 is a deficient number, since it is larger than the sum of its proper divisors (147662653017).

318671816103 is a wasteful number, since it uses less digits than its factorization.

318671816103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196339 (or 196336 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 318671816103 in words is "three hundred eighteen billion, six hundred seventy-one million, eight hundred sixteen thousand, one hundred three".