243313034313 has 16 divisors (see below), whose sum is σ = 325203405120. Its totient is φ = 161816131776.

The previous prime is 243313034297. The next prime is 243313034347. The reversal of 243313034313 is 313430313342.

It is not a de Polignac number, because 243313034313 - 2⁴ = 243313034297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243313034353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2115106 + ... + 2227172.

It is an arithmetic number, because the mean of its divisors is an integer number (20325212820).

Almost surely, 2^243313034313 is an apocalyptic number.

It is an amenable number.

243313034313 is a deficient number, since it is larger than the sum of its proper divisors (81890370807).

243313034313 is a wasteful number, since it uses less digits than its factorization.

243313034313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113816.

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 243313034313 its reverse (313430313342), we get a palindrome (556743347655).

The spelling of 243313034313 in words is "two hundred forty-three billion, three hundred thirteen million, thirty-four thousand, three hundred thirteen".