324401131 has 4 divisors (see below), whose sum is σ = 338505552. Its totient is φ = 310296712.

The previous prime is 324401017. The next prime is 324401137. The reversal of 324401131 is 131104423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131104423 = 73 ⋅1795951.

It is a cyclic number.

It is not a de Polignac number, because 324401131 - 2⁹ = 324400619 is a prime.

It is a super-2 number, since 2×324401131² = 210472187588158322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 324401099 and 324401108.

It is not an unprimeable number, because it can be changed into a prime (324401137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7052176 + ... + 7052221.

It is an arithmetic number, because the mean of its divisors is an integer number (84626388).

Almost surely, 2^324401131 is an apocalyptic number.

324401131 is a deficient number, since it is larger than the sum of its proper divisors (14104421).

324401131 is a wasteful number, since it uses less digits than its factorization.

324401131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14104420.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 324401131 is about 18011.1390811353. The cubic root of 324401131 is about 687.1118733108. Note that the first 3 decimals are identical.

Adding to 324401131 its reverse (131104423), we get a palindrome (455505554).

The spelling of 324401131 in words is "three hundred twenty-four million, four hundred one thousand, one hundred thirty-one".