213332133 has 48 divisors (see below), whose sum is σ = 368867520. Its totient is φ = 108670464.

The previous prime is 213332101. The next prime is 213332137. The reversal of 213332133 is 331233312.

213332133 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 213332133 - 2⁵ = 213332101 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 (213332137) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45235 + ... + 49727.

It is an arithmetic number, because the mean of its divisors is an integer number (7684740).

Almost surely, 2^213332133 is an apocalyptic number.

It is an amenable number.

213332133 is a deficient number, since it is larger than the sum of its proper divisors (155535387).

213332133 is a wasteful number, since it uses less digits than its factorization.

213332133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4546 (or 4539 counting only the distinct ones).

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

The square root of 213332133 is about 14605.8937761439. The cubic root of 213332133 is about 597.5195122098.

Adding to 213332133 its reverse (331233312), we get a palindrome (544565445).

The spelling of 213332133 in words is "two hundred thirteen million, three hundred thirty-two thousand, one hundred thirty-three".