243133343331343 has 4 divisors (see below), whose sum is σ = 243133596213928. Its totient is φ = 243133090448760.

The previous prime is 243133343331337. The next prime is 243133343331367. The reversal of 243133343331343 is 343133343331342.

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 243133343331343 - 2²¹ = 243133341234191 is a prime.

It is a super-2 number, since 2×243133343331343² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243133343331343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243133343331323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124993596 + ... + 126923857.

It is an arithmetic number, because the mean of its divisors is an integer number (60783399053482).

Almost surely, 2^{243133343331343} is an apocalyptic number.

243133343331343 is a deficient number, since it is larger than the sum of its proper divisors (252882585).

243133343331343 is an equidigital number, since it uses as much as digits as its factorization.

243133343331343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252882584.

The product of its digits is 2519424, while the sum is 43.

Adding to 243133343331343 its reverse (343133343331342), we get a palindrome (586266686662685).

Subtracting 243133343331343 from its reverse (343133343331342), we obtain a palindrome (99999999999999).

The spelling of 243133343331343 in words is "two hundred forty-three trillion, one hundred thirty-three billion, three hundred forty-three million, three hundred thirty-one thousand, three hundred forty-three".