243412101321 has 16 divisors (see below), whose sum is σ = 332862963840. Its totient is φ = 158158540800.

The previous prime is 243412101311. The next prime is 243412101329. The reversal of 243412101321 is 123101214342.

It is a de Polignac number, because none of the positive numbers 2^k-243412101321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243412101291 and 243412101300.

It is not an unprimeable number, because it can be changed into a prime (243412101329) 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, 5045176 + ... + 5093193.

It is an arithmetic number, because the mean of its divisors is an integer number (20803935240).

Almost surely, 2^243412101321 is an apocalyptic number.

It is an amenable number.

243412101321 is a deficient number, since it is larger than the sum of its proper divisors (89450862519).

243412101321 is a wasteful number, since it uses less digits than its factorization.

243412101321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10138576.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 243412101321 its reverse (123101214342), we get a palindrome (366513315663).

The spelling of 243412101321 in words is "two hundred forty-three billion, four hundred twelve million, one hundred one thousand, three hundred twenty-one".