243325350431 has 16 divisors (see below), whose sum is σ = 247820805120. Its totient is φ = 238846855680.

The previous prime is 243325350421. The next prime is 243325350469. The reversal of 243325350431 is 134053523342.

243325350431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 243325350431 - 2¹⁴ = 243325334047 is a prime.

It is a super-2 number, since 2×243325350431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243325350391 and 243325350400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243325350421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90555170 + ... + 90557856.

It is an arithmetic number, because the mean of its divisors is an integer number (15488800320).

Almost surely, 2^243325350431 is an apocalyptic number.

243325350431 is a deficient number, since it is larger than the sum of its proper divisors (4495454689).

243325350431 is a wasteful number, since it uses less digits than its factorization.

243325350431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5234.

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 243325350431 its reverse (134053523342), we get a palindrome (377378873773).

The spelling of 243325350431 in words is "two hundred forty-three billion, three hundred twenty-five million, three hundred fifty thousand, four hundred thirty-one".