213113042 has 8 divisors (see below), whose sum is σ = 321584256. Its totient is φ = 105918292.

The previous prime is 213112981. The next prime is 213113051. The reversal of 213113042 is 240311312.

213113042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 213113042.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318698 + ... + 319365.

It is an arithmetic number, because the mean of its divisors is an integer number (40198032).

Almost surely, 2^213113042 is an apocalyptic number.

213113042 is a deficient number, since it is larger than the sum of its proper divisors (108471214).

213113042 is a wasteful number, since it uses less digits than its factorization.

213113042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638232.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 213113042 is about 14598.3917607386. The cubic root of 213113042 is about 597.3148923271.

Adding to 213113042 its reverse (240311312), we get a palindrome (453424354).

The spelling of 213113042 in words is "two hundred thirteen million, one hundred thirteen thousand, forty-two".