213132333 has 16 divisors (see below), whose sum is σ = 288671040. Its totient is φ = 139849344.

The previous prime is 213132331. The next prime is 213132341. The reversal of 213132333 is 333231312.

It is not a de Polignac number, because 213132333 - 2¹ = 213132331 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213132331) 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, 168658 + ... + 169916.

It is an arithmetic number, because the mean of its divisors is an integer number (18041940).

Almost surely, 2^213132333 is an apocalyptic number.

It is an amenable number.

213132333 is a deficient number, since it is larger than the sum of its proper divisors (75538707).

213132333 is a wasteful number, since it uses less digits than its factorization.

213132333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108.

The product of its digits is 972, while the sum is 21.

The square root of 213132333 is about 14599.0524692529. The cubic root of 213132333 is about 597.3329147717.

Adding to 213132333 its reverse (333231312), we get a palindrome (546363645).

The spelling of 213132333 in words is "two hundred thirteen million, one hundred thirty-two thousand, three hundred thirty-three".