213243041 has 8 divisors (see below), whose sum is σ = 235574400. Its totient is φ = 191402640.

The previous prime is 213242999. The next prime is 213243049. The reversal of 213243041 is 140342312.

213243041 is digitally balanced in base 2, 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 de Polignac number, because none of the positive numbers 2^k-213243041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213243049) 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, 121826 + ... + 123563.

It is an arithmetic number, because the mean of its divisors is an integer number (29446800).

Almost surely, 2^213243041 is an apocalyptic number.

It is an amenable number.

213243041 is a deficient number, since it is larger than the sum of its proper divisors (22331359).

213243041 is a wasteful number, since it uses less digits than its factorization.

213243041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245479.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 213243041 is about 14602.8435929445. The cubic root of 213243041 is about 597.4363217094.

Adding to 213243041 its reverse (140342312), we get a palindrome (353585353).

The spelling of 213243041 in words is "two hundred thirteen million, two hundred forty-three thousand, forty-one".