218103106 has 8 divisors (see below), whose sum is σ = 352320444. Its totient is φ = 100662960.

The previous prime is 218103103. The next prime is 218103131. The reversal of 218103106 is 601301812.

It can be written as a sum of positive squares in 2 ways, for example, as 214358881 + 3744225 = 14641^2 + 1935^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (218103103) 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 3 ways as a sum of consecutive naturals, for example, 4194265 + ... + 4194316.

Almost surely, 2^218103106 is an apocalyptic number.

218103106 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

218103106 is a deficient number, since it is larger than the sum of its proper divisors (134217338).

218103106 is a wasteful number, since it uses less digits than its factorization.

218103106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8388596.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 218103106 is about 14768.3142572197. The cubic root of 218103106 is about 601.9410342425.

Adding to 218103106 its reverse (601301812), we get a palindrome (819404918).

The spelling of 218103106 in words is "two hundred eighteen million, one hundred three thousand, one hundred six".