318189101142 has 32 divisors (see below), whose sum is σ = 694275534720. Its totient is φ = 96414721920.

The previous prime is 318189101141. The next prime is 318189101281. The reversal of 318189101142 is 241101981813.

It is a self number, because there is not a number n which added to its sum of digits gives 318189101142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318189101141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 933093 + ... + 1227615.

It is an arithmetic number, because the mean of its divisors is an integer number (21696110460).

Almost surely, 2^318189101142 is an apocalyptic number.

318189101142 is an abundant number, since it is smaller than the sum of its proper divisors (376086433578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

318189101142 is a wasteful number, since it uses less digits than its factorization.

318189101142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310908.

The product of its (nonzero) digits is 13824, while the sum is 39.

The spelling of 318189101142 in words is "three hundred eighteen billion, one hundred eighty-nine million, one hundred one thousand, one hundred forty-two".