213411232 has 96 divisors (see below), whose sum is σ = 457228800. Its totient is φ = 97843200.

The previous prime is 213411229. The next prime is 213411239. The reversal of 213411232 is 232114312.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (213411239) 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, 2701369 + ... + 2701447.

It is an arithmetic number, because the mean of its divisors is an integer number (4762800).

Almost surely, 2^213411232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213411232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228614400).

213411232 is an abundant number, since it is smaller than the sum of its proper divisors (243817568).

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

213411232 is a wasteful number, since it uses less digits than its factorization.

213411232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 222 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 213411232 is about 14608.6013019728. The cubic root of 213411232 is about 597.5933522435.

Adding to 213411232 its reverse (232114312), we get a palindrome (445525544).

It can be divided in two parts, 2134 and 11232, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 213411232 in words is "two hundred thirteen million, four hundred eleven thousand, two hundred thirty-two".