232011216 has 50 divisors (see below), whose sum is σ = 671511522. Its totient is φ = 77336640.

The previous prime is 232011211. The next prime is 232011217. The reversal of 232011216 is 612110232.

232011216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 172659600 + 59351616 = 13140^2 + 7704^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232011211) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 88215 + ... + 90806.

Almost surely, 2^232011216 is an apocalyptic number.

It is an amenable number.

232011216 is an abundant number, since it is smaller than the sum of its proper divisors (439500306).

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

232011216 is a wasteful number, since it uses less digits than its factorization.

232011216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179041 (or 179026 counting only the distinct ones).

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

The square root of 232011216 is about 15231.9143905157. The cubic root of 232011216 is about 614.4732670194.

Adding to 232011216 its reverse (612110232), we get a palindrome (844121448).

The spelling of 232011216 in words is "two hundred thirty-two million, eleven thousand, two hundred sixteen".