324402131 has 8 divisors (see below), whose sum is σ = 332270400. Its totient is φ = 316574208.

The previous prime is 324402121. The next prime is 324402151. The reversal of 324402131 is 131204423.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-324402131 is a prime.

It is a super-2 number, since 2×324402131² = 210473485194682322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (324402101) 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 7 ways as a sum of consecutive naturals, for example, 6515 + ... + 26291.

It is an arithmetic number, because the mean of its divisors is an integer number (41533800).

Almost surely, 2^324402131 is an apocalyptic number.

324402131 is a deficient number, since it is larger than the sum of its proper divisors (7868269).

324402131 is a wasteful number, since it uses less digits than its factorization.

324402131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20173.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 324402131 is about 18011.1668417124. The cubic root of 324402131 is about 687.1125793412.

Adding to 324402131 its reverse (131204423), we get a palindrome (455606554).

The spelling of 324402131 in words is "three hundred twenty-four million, four hundred two thousand, one hundred thirty-one".