102284931218 has 18 divisors (see below), whose sum is σ = 156112665429. Its totient is φ = 50262527632.

The previous prime is 102284931103. The next prime is 102284931223. The reversal of 102284931218 is 812139482201.

It can be written as a sum of positive squares in 2 ways, for example, as 93295426249 + 8989504969 = 305443^2 + 94813^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=226147.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 26683430 + ... + 26687262.

Almost surely, 2^102284931218 is an apocalyptic number.

102284931218 is a deficient number, since it is larger than the sum of its proper divisors (53827734211).

102284931218 is an frugal number, since it uses more digits than its factorization.

102284931218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7786 (or 3894 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The spelling of 102284931218 in words is "one hundred two billion, two hundred eighty-four million, nine hundred thirty-one thousand, two hundred eighteen".