213032332 has 12 divisors (see below), whose sum is σ = 392428120. Its totient is φ = 100910016.

The previous prime is 213032311. The next prime is 213032333. The reversal of 213032332 is 233230312.

It is a happy number.

213032332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (213032333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401453 + ... + 1401604.

Almost surely, 2^213032332 is an apocalyptic number.

It is an amenable number.

213032332 is a deficient number, since it is larger than the sum of its proper divisors (179395788).

213032332 is a wasteful number, since it uses less digits than its factorization.

213032332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803080 (or 2803078 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 213032332 is about 14595.6271533634. The cubic root of 213032332 is about 597.2394779340.

Adding to 213032332 its reverse (233230312), we get a palindrome (446262644).

The spelling of 213032332 in words is "two hundred thirteen million, thirty-two thousand, three hundred thirty-two".