101313478818 has 24 divisors (see below), whose sum is σ = 219546974556. Its totient is φ = 33765861600.

The previous prime is 101313478793. The next prime is 101313478823. The reversal of 101313478818 is 818874313101.

It can be written as a sum of positive squares in 2 ways, for example, as 97009200369 + 4304278449 = 311463^2 + 65607^2 .

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, 322713 + ... + 553868.

Almost surely, 2^101313478818 is an apocalyptic number.

101313478818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

101313478818 is an abundant number, since it is smaller than the sum of its proper divisors (118233495738).

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

101313478818 is a wasteful number, since it uses less digits than its factorization.

101313478818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883010 (or 883007 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The spelling of 101313478818 in words is "one hundred one billion, three hundred thirteen million, four hundred seventy-eight thousand, eight hundred eighteen".