213231320200 has 96 divisors (see below), whose sum is σ = 507595190400. Its totient is φ = 83266064640.

The previous prime is 213231320189. The next prime is 213231320209. The reversal of 213231320200 is 2023132312.

It is not an unprimeable number, because it can be changed into a prime (213231320209) 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, 3703231 + ... + 3760369.

It is an arithmetic number, because the mean of its divisors is an integer number (5287449900).

Almost surely, 2^213231320200 is an apocalyptic number.

213231320200 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 213231320200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253797595200).

213231320200 is an abundant number, since it is smaller than the sum of its proper divisors (294363870200).

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

213231320200 is a wasteful number, since it uses less digits than its factorization.

213231320200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57599 (or 57590 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 213231320200 its reverse (2023132312), we get a palindrome (215254452512).

The spelling of 213231320200 in words is "two hundred thirteen billion, two hundred thirty-one million, three hundred twenty thousand, two hundred".