243102324321 has 6 divisors (see below), whose sum is σ = 351147801810. Its totient is φ = 162068216208.

The previous prime is 243102324319. The next prime is 243102324341. The reversal of 243102324321 is 123423201342.

243102324321 is a `hidden beast` number, since 2 + 4 + 3 + 10 + 2 + 324 + 321 = 666.

It can be written as a sum of positive squares in only one way, i.e., 239062323600 + 4040000721 = 488940^2 + 63561^2 .

It is not a de Polignac number, because 243102324321 - 2¹ = 243102324319 is a prime.

It is a super-2 number, since 2×243102324321² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243102324341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13505684676 + ... + 13505684693.

It is an arithmetic number, because the mean of its divisors is an integer number (58524633635).

Almost surely, 2^243102324321 is an apocalyptic number.

It is an amenable number.

243102324321 is a deficient number, since it is larger than the sum of its proper divisors (108045477489).

243102324321 is a wasteful number, since it uses less digits than its factorization.

243102324321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27011369375 (or 27011369372 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 243102324321 its reverse (123423201342), we get a palindrome (366525525663).

The spelling of 243102324321 in words is "two hundred forty-three billion, one hundred two million, three hundred twenty-four thousand, three hundred twenty-one".