243100213000 has 64 divisors (see below), whose sum is σ = 572478145200. Its totient is φ = 96620659200.

The previous prime is 243100212991. The next prime is 243100213001. The reversal of 243100213000 is 312001342.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 8594402436 + 234505810564 = 92706^2 + 484258^2 .

It is not an unprimeable number, because it can be changed into a prime (243100213001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 617205 + ... + 931204.

Almost surely, 2^243100213000 is an apocalyptic number.

243100213000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243100213000 is an abundant number, since it is smaller than the sum of its proper divisors (329377932200).

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

243100213000 is a wasteful number, since it uses less digits than its factorization.

243100213000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548587 (or 1548573 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 243100213000 its reverse (312001342), we get a palindrome (243412214342).

The spelling of 243100213000 in words is "two hundred forty-three billion, one hundred million, two hundred thirteen thousand".