243113331355 has 8 divisors (see below), whose sum is σ = 292147477200. Its totient is φ = 194216345376.

The previous prime is 243113331341. The next prime is 243113331379. The reversal of 243113331355 is 553133311342.

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 243113331355 - 2¹¹ = 243113329307 is a prime.

It is a super-2 number, since 2×243113331355² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243113331355.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34286065 + ... + 34293154.

It is an arithmetic number, because the mean of its divisors is an integer number (36518434650).

Almost surely, 2^243113331355 is an apocalyptic number.

243113331355 is a deficient number, since it is larger than the sum of its proper divisors (49034145845).

243113331355 is an equidigital number, since it uses as much as digits as its factorization.

243113331355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68579933.

The product of its digits is 48600, while the sum is 34.

Adding to 243113331355 its reverse (553133311342), we get a palindrome (796246642697).

The spelling of 243113331355 in words is "two hundred forty-three billion, one hundred thirteen million, three hundred thirty-one thousand, three hundred fifty-five".