213235300 has 72 divisors (see below), whose sum is σ = 489093696. Its totient is φ = 80530560.

The previous prime is 213235291. The next prime is 213235307. The reversal of 213235300 is 3532312.

It is not an unprimeable number, because it can be changed into a prime (213235307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190342 + ... + 191458.

It is an arithmetic number, because the mean of its divisors is an integer number (6792968).

Almost surely, 2^213235300 is an apocalyptic number.

213235300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213235300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244546848).

213235300 is an abundant number, since it is smaller than the sum of its proper divisors (275858396).

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

213235300 is a wasteful number, since it uses less digits than its factorization.

213235300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237 (or 1230 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 213235300 is about 14602.5785394224. The cubic root of 213235300 is about 597.4290923832.

Adding to 213235300 its reverse (3532312), we get a palindrome (216767612).

The spelling of 213235300 in words is "two hundred thirteen million, two hundred thirty-five thousand, three hundred".