324997131 has 4 divisors (see below), whose sum is σ = 433329512. Its totient is φ = 216664752.

The previous prime is 324997121. The next prime is 324997133. The reversal of 324997131 is 131799423.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 324997131 - 2⁶ = 324997067 is a prime.

It is a super-2 number, since 2×324997131² = 211246270316462322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 324997131.

It is not an unprimeable number, because it can be changed into a prime (324997133) 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 3 ways as a sum of consecutive naturals, for example, 54166186 + ... + 54166191.

It is an arithmetic number, because the mean of its divisors is an integer number (108332378).

Almost surely, 2^324997131 is an apocalyptic number.

324997131 is a deficient number, since it is larger than the sum of its proper divisors (108332381).

324997131 is a wasteful number, since it uses less digits than its factorization.

324997131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108332380.

The product of its digits is 40824, while the sum is 39.

The square root of 324997131 is about 18027.6768054012. The cubic root of 324997131 is about 687.5324104170.

The spelling of 324997131 in words is "three hundred twenty-four million, nine hundred ninety-seven thousand, one hundred thirty-one".