243241033351 has 4 divisors (see below), whose sum is σ = 243276482592. Its totient is φ = 243205584112.

The previous prime is 243241033319. The next prime is 243241033379. The reversal of 243241033351 is 153330142342.

It is a happy number.

243241033351 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 243241033351 - 2⁵ = 243241033319 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 (243241133351) 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, 17714326 + ... + 17728051.

It is an arithmetic number, because the mean of its divisors is an integer number (60819120648).

Almost surely, 2^243241033351 is an apocalyptic number.

243241033351 is a deficient number, since it is larger than the sum of its proper divisors (35449241).

243241033351 is an equidigital number, since it uses as much as digits as its factorization.

243241033351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35449240.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 243241033351 its reverse (153330142342), we get a palindrome (396571175693).

The spelling of 243241033351 in words is "two hundred forty-three billion, two hundred forty-one million, thirty-three thousand, three hundred fifty-one".