213223231300 has 36 divisors (see below), whose sum is σ = 463883942340. Its totient is φ = 85070024320.

The previous prime is 213223231267. The next prime is 213223231321. The reversal of 213223231300 is 3132322312.

It can be written as a sum of positive squares in 6 ways, for example, as 20755012356 + 192468218944 = 144066^2 + 438712^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2701759 + ... + 2779558.

It is an arithmetic number, because the mean of its divisors is an integer number (12885665065).

Almost surely, 2^213223231300 is an apocalyptic number.

213223231300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213223231300 is an abundant number, since it is smaller than the sum of its proper divisors (250660711040).

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

213223231300 is a wasteful number, since it uses less digits than its factorization.

213223231300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5481720 (or 5481713 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 213223231300 its reverse (3132322312), we get a palindrome (216355553612).

The spelling of 213223231300 in words is "two hundred thirteen billion, two hundred twenty-three million, two hundred thirty-one thousand, three hundred".