243213533246313 has 48 divisors (see below), whose sum is σ = 402812348754816. Its totient is φ = 138523300588800.

The previous prime is 243213533246303. The next prime is 243213533246357. The reversal of 243213533246313 is 313642335312342.

243213533246313 is a `hidden beast` number, since 2 + 4 + 3 + 2 + 1 + 3 + 5 + 3 + 3 + 2 + 4 + 631 + 3 = 666.

It is not a de Polignac number, because 243213533246313 - 2⁴ = 243213533246297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243213533246303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1044162163 + ... + 1044395063.

It is an arithmetic number, because the mean of its divisors is an integer number (8391923932392).

Almost surely, 2^{243213533246313} is an apocalyptic number.

It is an amenable number.

243213533246313 is a deficient number, since it is larger than the sum of its proper divisors (159598815508503).

243213533246313 is a wasteful number, since it uses less digits than its factorization.

243213533246313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287214 (or 287211 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 45.

Adding to 243213533246313 its reverse (313642335312342), we get a palindrome (556855868558655).

The spelling of 243213533246313 in words is "two hundred forty-three trillion, two hundred thirteen billion, five hundred thirty-three million, two hundred forty-six thousand, three hundred thirteen".