318858387112 has 48 divisors (see below), whose sum is σ = 616560801120. Its totient is φ = 154585376640.

The previous prime is 318858387091. The next prime is 318858387143. The reversal of 318858387112 is 211783858813.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2119293 + ... + 2264755.

It is an arithmetic number, because the mean of its divisors is an integer number (12845016690).

Almost surely, 2^318858387112 is an apocalyptic number.

It is an amenable number.

318858387112 is a deficient number, since it is larger than the sum of its proper divisors (297702414008).

318858387112 is a wasteful number, since it uses less digits than its factorization.

318858387112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145714 (or 145669 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 55.

The spelling of 318858387112 in words is "three hundred eighteen billion, eight hundred fifty-eight million, three hundred eighty-seven thousand, one hundred twelve".