218030342 has 4 divisors (see below), whose sum is σ = 327045516. Its totient is φ = 109015170.

The previous prime is 218030327. The next prime is 218030353. The reversal of 218030342 is 243030812.

218030342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54507584 + ... + 54507587.

It is an arithmetic number, because the mean of its divisors is an integer number (81761379).

Almost surely, 2^218030342 is an apocalyptic number.

218030342 is a deficient number, since it is larger than the sum of its proper divisors (109015174).

218030342 is a wasteful number, since it uses less digits than its factorization.

218030342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109015173.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 218030342 is about 14765.8505342564. The cubic root of 218030342 is about 601.8740865345.

The spelling of 218030342 in words is "two hundred eighteen million, thirty thousand, three hundred forty-two".