213441042 has 8 divisors (see below), whose sum is σ = 426882096. Its totient is φ = 71147012.

The previous prime is 213441037. The next prime is 213441043. The reversal of 213441042 is 240144312.

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

213441042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (213441043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17786748 + ... + 17786759.

It is an arithmetic number, because the mean of its divisors is an integer number (53360262).

Almost surely, 2^213441042 is an apocalyptic number.

213441042 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.

213441042 is a wasteful number, since it uses less digits than its factorization.

213441042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35573512.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 213441042 is about 14609.6215556735. The cubic root of 213441042 is about 597.6211755658.

Adding to 213441042 its reverse (240144312), we get a palindrome (453585354).

The spelling of 213441042 in words is "two hundred thirteen million, four hundred forty-one thousand, forty-two".