3318931818100 has 18 divisors (see below), whose sum is σ = 7202082045494. Its totient is φ = 1327572727200.

The previous prime is 3318931818073. The next prime is 3318931818101. The reversal of 3318931818100 is 18181398133.

It can be written as a sum of positive squares in 3 ways, for example, as 1124202160656 + 2194729657444 = 1060284^2 + 1481462^2 .

It is a super-2 number, since 2×3318931818100² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3318931818101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16594658991 + ... + 16594659190.

Almost surely, 2^{3318931818100} is an apocalyptic number.

It is an amenable number.

3318931818100 is an abundant number, since it is smaller than the sum of its proper divisors (3883150227394).

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

3318931818100 is a wasteful number, since it uses less digits than its factorization.

3318931818100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33189318195 (or 33189318188 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 46.

The spelling of 3318931818100 in words is "three trillion, three hundred eighteen billion, nine hundred thirty-one million, eight hundred eighteen thousand, one hundred".