218030343 has 8 divisors (see below), whose sum is σ = 292388208. Its totient is φ = 144513024.

The previous prime is 218030327. The next prime is 218030353. The reversal of 218030343 is 343030812.

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

It is not a de Polignac number, because 218030343 - 2⁴ = 218030327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218030353) 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, 209530 + ... + 210567.

It is an arithmetic number, because the mean of its divisors is an integer number (36548526).

Almost surely, 2^218030343 is an apocalyptic number.

218030343 is a deficient number, since it is larger than the sum of its proper divisors (74357865).

218030343 is a wasteful number, since it uses less digits than its factorization.

218030343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420273.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 218030343 is about 14765.8505681183. The cubic root of 218030343 is about 601.8740874546.

It can be divided in two parts, 2180 and 30343, that added together give a palindrome (32523).

The spelling of 218030343 in words is "two hundred eighteen million, thirty thousand, three hundred forty-three".