243205044224213 has 8 divisors (see below), whose sum is σ = 244156076941248. Its totient is φ = 242254656936864.

The previous prime is 243205044224159. The next prime is 243205044224231. The reversal of 243205044224213 is 312422440502342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243205044224213 - 2⁸ = 243205044223957 is a prime.

It is a super-2 number, since 2×243205044224213² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243205044224113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160602320 + ... + 162109577.

It is an arithmetic number, because the mean of its divisors is an integer number (30519509617656).

Almost surely, 2^{243205044224213} is an apocalyptic number.

It is an amenable number.

243205044224213 is a deficient number, since it is larger than the sum of its proper divisors (951032717035).

243205044224213 is a wasteful number, since it uses less digits than its factorization.

243205044224213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322714843.

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 243205044224213 its reverse (312422440502342), we get a palindrome (555627484726555).

The spelling of 243205044224213 in words is "two hundred forty-three trillion, two hundred five billion, forty-four million, two hundred twenty-four thousand, two hundred thirteen".