243212330013 has 16 divisors (see below), whose sum is σ = 338399095680. Its totient is φ = 155084255744.

The previous prime is 243212329951. The next prime is 243212330017. The reversal of 243212330013 is 310033212342.

It is not a de Polignac number, because 243212330013 - 2⁹ = 243212329501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243212330017) 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, 1537045 + ... + 1687877.

It is an arithmetic number, because the mean of its divisors is an integer number (21149943480).

Almost surely, 2^243212330013 is an apocalyptic number.

243212330013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

243212330013 is a deficient number, since it is larger than the sum of its proper divisors (95186765667).

243212330013 is a wasteful number, since it uses less digits than its factorization.

243212330013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174228.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 243212330013 its reverse (310033212342), we get a palindrome (553245542355).

The spelling of 243212330013 in words is "two hundred forty-three billion, two hundred twelve million, three hundred thirty thousand, thirteen".