213342042 has 8 divisors (see below), whose sum is σ = 426684096. Its totient is φ = 71114012.

The previous prime is 213342029. The next prime is 213342083. The reversal of 213342042 is 240243312.

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

213342042 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17778498 + ... + 17778509.

It is an arithmetic number, because the mean of its divisors is an integer number (53335512).

Almost surely, 2^213342042 is an apocalyptic number.

213342042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213342042 is a wasteful number, since it uses less digits than its factorization.

213342042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35557012.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 213342042 is about 14606.2329845857. The cubic root of 213342042 is about 597.5287634012.

Adding to 213342042 its reverse (240243312), we get a palindrome (453585354).

The spelling of 213342042 in words is "two hundred thirteen million, three hundred forty-two thousand, forty-two".