243120303213 has 16 divisors (see below), whose sum is σ = 332097687936. Its totient is φ = 158112296960.

The previous prime is 243120303133. The next prime is 243120303221. The reversal of 243120303213 is 312303021342.

It is a cyclic number.

It is not a de Polignac number, because 243120303213 - 2³⁶ = 174400826477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243120703213) 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, 1321645 + ... + 1494317.

It is an arithmetic number, because the mean of its divisors is an integer number (20756105496).

Almost surely, 2^243120303213 is an apocalyptic number.

It is an amenable number.

243120303213 is a deficient number, since it is larger than the sum of its proper divisors (88977384723).

243120303213 is a wasteful number, since it uses less digits than its factorization.

243120303213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184164.

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

Adding to 243120303213 its reverse (312303021342), we get a palindrome (555423324555).

The spelling of 243120303213 in words is "two hundred forty-three billion, one hundred twenty million, three hundred three thousand, two hundred thirteen".