243020033013 has 8 divisors (see below), whose sum is σ = 324189791968. Its totient is φ = 161931814704.

The previous prime is 243020032999. The next prime is 243020033033. The reversal of 243020033013 is 310330020342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 243020033013 - 2⁸ = 243020032757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243020033033) 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 7 ways as a sum of consecutive naturals, for example, 20378206 + ... + 20390127.

It is an arithmetic number, because the mean of its divisors is an integer number (40523723996).

Almost surely, 2^243020033013 is an apocalyptic number.

It is an amenable number.

243020033013 is a deficient number, since it is larger than the sum of its proper divisors (81169758955).

243020033013 is a wasteful number, since it uses less digits than its factorization.

243020033013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40770323.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 243020033013 its reverse (310330020342), we get a palindrome (553350053355).

The spelling of 243020033013 in words is "two hundred forty-three billion, twenty million, thirty-three thousand, thirteen".