213321233300 has 72 divisors (see below), whose sum is σ = 531722467584. Its totient is φ = 72767399040.

The previous prime is 213321233299. The next prime is 213321233309. The reversal of 213321233300 is 3332123312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213321233309) 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, 635564 + ... + 911363.

It is an arithmetic number, because the mean of its divisors is an integer number (7385034272).

Almost surely, 2^213321233300 is an apocalyptic number.

213321233300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213321233300 is an abundant number, since it is smaller than the sum of its proper divisors (318401234284).

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

213321233300 is a wasteful number, since it uses less digits than its factorization.

213321233300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547145 (or 1547138 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 213321233300 its reverse (3332123312), we get a palindrome (216653356612).

The spelling of 213321233300 in words is "two hundred thirteen billion, three hundred twenty-one million, two hundred thirty-three thousand, three hundred".