243234131313 has 16 divisors (see below), whose sum is σ = 324761115200. Its totient is φ = 161931778560.

The previous prime is 243234131291. The next prime is 243234131321. The reversal of 243234131313 is 313131432342.

It is not a de Polignac number, because 243234131313 - 2⁶ = 243234131249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243234131213) 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, 6498693 + ... + 6536013.

It is an arithmetic number, because the mean of its divisors is an integer number (20297569700).

Almost surely, 2^243234131313 is an apocalyptic number.

It is an amenable number.

243234131313 is a deficient number, since it is larger than the sum of its proper divisors (81526983887).

243234131313 is a wasteful number, since it uses less digits than its factorization.

243234131313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40272.

The product of its digits is 15552, while the sum is 30.

Adding to 243234131313 its reverse (313131432342), we get a palindrome (556365563655).

The spelling of 243234131313 in words is "two hundred forty-three billion, two hundred thirty-four million, one hundred thirty-one thousand, three hundred thirteen".