213231110 has 16 divisors (see below), whose sum is σ = 404017200. Its totient is φ = 80803296.

The previous prime is 213231097. The next prime is 213231121. The reversal of 213231110 is 11132312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560945 + ... + 561324.

It is an arithmetic number, because the mean of its divisors is an integer number (25251075).

Almost surely, 2^213231110 is an apocalyptic number.

213231110 is a deficient number, since it is larger than the sum of its proper divisors (190786090).

213231110 is a wasteful number, since it uses less digits than its factorization.

213231110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122295.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 213231110 is about 14602.4350709051. The cubic root of 213231110 is about 597.4251792658.

Adding to 213231110 its reverse (11132312), we get a palindrome (224363422).

The spelling of 213231110 in words is "two hundred thirteen million, two hundred thirty-one thousand, one hundred ten".