243113353351 has 4 divisors (see below), whose sum is σ = 265214567304. Its totient is φ = 221012139400.

The previous prime is 243113353337. The next prime is 243113353447. The reversal of 243113353351 is 153353311342.

243113353351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 243113353351 - 2¹¹ = 243113351303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243113353321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11050606960 + ... + 11050606981.

It is an arithmetic number, because the mean of its divisors is an integer number (66303641826).

Almost surely, 2^243113353351 is an apocalyptic number.

243113353351 is a deficient number, since it is larger than the sum of its proper divisors (22101213953).

243113353351 is a wasteful number, since it uses less digits than its factorization.

243113353351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22101213952.

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

Adding to 243113353351 its reverse (153353311342), we get a palindrome (396466664693).

The spelling of 243113353351 in words is "two hundred forty-three billion, one hundred thirteen million, three hundred fifty-three thousand, three hundred fifty-one".