243441100213 has 16 divisors (see below), whose sum is σ = 253660095360. Its totient is φ = 233347262400.

The previous prime is 243441100207. The next prime is 243441100247. The reversal of 243441100213 is 312001144342.

It is a cyclic number.

It is not a de Polignac number, because 243441100213 - 2⁹ = 243441099701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243441100013) 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, 3896683 + ... + 3958663.

It is an arithmetic number, because the mean of its divisors is an integer number (15853755960).

Almost surely, 2^243441100213 is an apocalyptic number.

It is an amenable number.

243441100213 is a deficient number, since it is larger than the sum of its proper divisors (10218995147).

243441100213 is a wasteful number, since it uses less digits than its factorization.

243441100213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62988.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 243441100213 its reverse (312001144342), we get a palindrome (555442244555).

The spelling of 243441100213 in words is "two hundred forty-three billion, four hundred forty-one million, one hundred thousand, two hundred thirteen".