324243131 has 2 divisors, whose sum is σ = 324243132. Its totient is φ = 324243130.

The previous prime is 324243119. The next prime is 324243137. The reversal of 324243131 is 131342423.

It is a strong prime.

It is an emirp because it is prime and its reverse (131342423) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-324243131 is a prime.

It is a super-2 number, since 2×324243131² = 210267216001366322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 324243097 and 324243106.

It is not a weakly prime, because it can be changed into another prime (324243137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162121565 + 162121566.

It is an arithmetic number, because the mean of its divisors is an integer number (162121566).

Almost surely, 2^324243131 is an apocalyptic number.

324243131 is a deficient number, since it is larger than the sum of its proper divisors (1).

324243131 is an equidigital number, since it uses as much as digits as its factorization.

324243131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 23.

The square root of 324243131 is about 18006.7523723741. The cubic root of 324243131 is about 687.0003022796. Note that the first 3 decimals are identical.

Adding to 324243131 its reverse (131342423), we get a palindrome (455585554).

The spelling of 324243131 in words is "three hundred twenty-four million, two hundred forty-three thousand, one hundred thirty-one".