218030238287 has 8 divisors (see below), whose sum is σ = 221298919296. Its totient is φ = 214761983832.

The previous prime is 218030238277. The next prime is 218030238301. The reversal of 218030238287 is 782832030812.

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

It is a cyclic number.

It is not a de Polignac number, because 218030238287 - 2³⁴ = 200850369103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218030238247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010318 + ... + 1206980.

It is an arithmetic number, because the mean of its divisors is an integer number (27662364912).

Almost surely, 2^218030238287 is an apocalyptic number.

218030238287 is a deficient number, since it is larger than the sum of its proper divisors (3268681009).

218030238287 is a wasteful number, since it uses less digits than its factorization.

218030238287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213277.

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 218030238287 in words is "two hundred eighteen billion, thirty million, two hundred thirty-eight thousand, two hundred eighty-seven".