213133110 has 16 divisors (see below), whose sum is σ = 511519536. Its totient is φ = 56835488.

The previous prime is 213133079. The next prime is 213133117. The reversal of 213133110 is 11331312.

213133110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 213133110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213133117) 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, 3552189 + ... + 3552248.

It is an arithmetic number, because the mean of its divisors is an integer number (31969971).

Almost surely, 2^213133110 is an apocalyptic number.

213133110 is an abundant number, since it is smaller than the sum of its proper divisors (298386426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213133110 is a wasteful number, since it uses less digits than its factorization.

213133110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7104447.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 213133110 is about 14599.0790805448. The cubic root of 213133110 is about 597.3336406542. Note that the first 3 decimals are identical.

Adding to 213133110 its reverse (11331312), we get a palindrome (224464422).

The spelling of 213133110 in words is "two hundred thirteen million, one hundred thirty-three thousand, one hundred ten".