213441132 has 24 divisors (see below), whose sum is σ = 502867456. Its totient is φ = 70455888.

The previous prime is 213441119. The next prime is 213441133. The reversal of 213441132 is 231144312.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 213441099 and 213441108.

It is not an unprimeable number, because it can be changed into a prime (213441133) 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, 85108 + ... + 87579.

Almost surely, 2^213441132 is an apocalyptic number.

It is an amenable number.

213441132 is an abundant number, since it is smaller than the sum of its proper divisors (289426324).

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

213441132 is a wasteful number, since it uses less digits than its factorization.

213441132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172797 (or 172795 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 213441132 is about 14609.6246358351. The cubic root of 213441132 is about 597.6212595639.

Adding to 213441132 its reverse (231144312), we get a palindrome (444585444).

The spelling of 213441132 in words is "two hundred thirteen million, four hundred forty-one thousand, one hundred thirty-two".