323140131 has 16 divisors (see below), whose sum is σ = 506887200. Its totient is φ = 202754304.

The previous prime is 323140117. The next prime is 323140171. The reversal of 323140131 is 131041323.

323140131 is a `hidden beast` number, since 3 + 231 + 401 + 31 = 666.

It is not a de Polignac number, because 323140131 - 2⁷ = 323140003 is a prime.

It is a super-2 number, since 2×323140131² = 208839088525394322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (323140171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351546 + ... + 352463.

It is an arithmetic number, because the mean of its divisors is an integer number (31680450).

Almost surely, 2^323140131 is an apocalyptic number.

323140131 is a deficient number, since it is larger than the sum of its proper divisors (183747069).

323140131 is a wasteful number, since it uses less digits than its factorization.

323140131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704035 (or 704029 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 323140131 is about 17976.0988815705. The cubic root of 323140131 is about 686.2204119943.

Adding to 323140131 its reverse (131041323), we get a palindrome (454181454).

The spelling of 323140131 in words is "three hundred twenty-three million, one hundred forty thousand, one hundred thirty-one".