213042333 has 16 divisors (see below), whose sum is σ = 330140160. Its totient is φ = 119674416.

The previous prime is 213042331. The next prime is 213042367. The reversal of 213042333 is 333240312.

213042333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213042333 - 2¹ = 213042331 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213042331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84735 + ... + 87212.

It is an arithmetic number, because the mean of its divisors is an integer number (20633760).

Almost surely, 2^213042333 is an apocalyptic number.

It is an amenable number.

213042333 is a deficient number, since it is larger than the sum of its proper divisors (117097827).

213042333 is a wasteful number, since it uses less digits than its factorization.

213042333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172016.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 213042333 is about 14595.9697519555. The cubic root of 213042333 is about 597.2488237745.

Adding to 213042333 its reverse (333240312), we get a palindrome (546282645).

The spelling of 213042333 in words is "two hundred thirteen million, forty-two thousand, three hundred thirty-three".