213032133 has 16 divisors (see below), whose sum is σ = 316967040. Its totient is φ = 141407712.

The previous prime is 213032101. The next prime is 213032143. The reversal of 213032133 is 331230312.

213032133 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 213032133 - 2⁵ = 213032101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213032143) 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, 10641 + ... + 23222.

It is an arithmetic number, because the mean of its divisors is an integer number (19810440).

Almost surely, 2^213032133 is an apocalyptic number.

It is an amenable number.

213032133 is a deficient number, since it is larger than the sum of its proper divisors (103934907).

213032133 is a wasteful number, since it uses less digits than its factorization.

213032133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34105 (or 34099 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 213032133 is about 14595.6203362516. The cubic root of 213032133 is about 597.2392919675.

Adding to 213032133 its reverse (331230312), we get a palindrome (544262445).

It can be divided in two parts, 21303 and 2133, that added together give a triangular number (23436 = T₂₁₆).

The spelling of 213032133 in words is "two hundred thirteen million, thirty-two thousand, one hundred thirty-three".