213211032 has 16 divisors (see below), whose sum is σ = 533027640. Its totient is φ = 71070336.

The previous prime is 213211021. The next prime is 213211039. The reversal of 213211032 is 230112312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213211039) 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, 4441873 + ... + 4441920.

Almost surely, 2^213211032 is an apocalyptic number.

It is an amenable number.

213211032 is an abundant number, since it is smaller than the sum of its proper divisors (319816608).

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

213211032 is a wasteful number, since it uses less digits than its factorization.

213211032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8883802 (or 8883798 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 213211032 is about 14601.7475666442. The cubic root of 213211032 is about 597.4064273440.

Adding to 213211032 its reverse (230112312), we get a palindrome (443323344).

The spelling of 213211032 in words is "two hundred thirteen million, two hundred eleven thousand, thirty-two".