213231114 has 48 divisors (see below), whose sum is σ = 484570944. Its totient is φ = 67636800.

The previous prime is 213231097. The next prime is 213231121. The reversal of 213231114 is 411132312.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 86134 + ... + 88574.

It is an arithmetic number, because the mean of its divisors is an integer number (10095228).

Almost surely, 2^213231114 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213231114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242285472).

213231114 is an abundant number, since it is smaller than the sum of its proper divisors (271339830).

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

213231114 is a wasteful number, since it uses less digits than its factorization.

213231114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683 (or 2680 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 213231114 is about 14602.4352078686. The cubic root of 213231114 is about 597.4251830015.

Adding to 213231114 its reverse (411132312), we get a palindrome (624363426).

The spelling of 213231114 in words is "two hundred thirteen million, two hundred thirty-one thousand, one hundred fourteen".