313950000018 has 32 divisors (see below), whose sum is σ = 639790099200. Its totient is φ = 102668582016.

The previous prime is 313950000011. The next prime is 313950000073. The reversal of 313950000018 is 810000059313.

It is a happy number.

It is a super-2 number, since 2×313950000018² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 313950000018.

It is not an unprimeable number, because it can be changed into a prime (313950000011) 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, 7177398 + ... + 7221006.

It is an arithmetic number, because the mean of its divisors is an integer number (19993440600).

Almost surely, 2^313950000018 is an apocalyptic number.

313950000018 is an abundant number, since it is smaller than the sum of its proper divisors (325840099182).

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

313950000018 is a wasteful number, since it uses less digits than its factorization.

313950000018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66306.

The product of its (nonzero) digits is 3240, while the sum is 30.

The spelling of 313950000018 in words is "three hundred thirteen billion, nine hundred fifty million, eighteen", and thus it is an aban number.