218234702307 has 8 divisors (see below), whose sum is σ = 292832976976. Its totient is φ = 144563114592.

The previous prime is 218234702243. The next prime is 218234702369. The reversal of 218234702307 is 703207432812.

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

It is not a de Polignac number, because 218234702307 - 2⁶ = 218234702243 is a prime.

It is a super-2 number, since 2×218234702307² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (218234702377) 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, 231671188 + ... + 231672129.

It is an arithmetic number, because the mean of its divisors is an integer number (36604122122).

Almost surely, 2^218234702307 is an apocalyptic number.

218234702307 is a deficient number, since it is larger than the sum of its proper divisors (74598274669).

218234702307 is a wasteful number, since it uses less digits than its factorization.

218234702307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463343477.

The product of its (nonzero) digits is 112896, while the sum is 39.

The spelling of 218234702307 in words is "two hundred eighteen billion, two hundred thirty-four million, seven hundred two thousand, three hundred seven".