231324011 has 4 divisors (see below), whose sum is σ = 231594792. Its totient is φ = 231053232.

The previous prime is 231323971. The next prime is 231324013. The reversal of 231324011 is 110423132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231324011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231324013) 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 in 3 ways as a sum of consecutive naturals, for example, 134105 + ... + 135818.

It is an arithmetic number, because the mean of its divisors is an integer number (57898698).

Almost surely, 2^231324011 is an apocalyptic number.

231324011 is a deficient number, since it is larger than the sum of its proper divisors (270781).

231324011 is an equidigital number, since it uses as much as digits as its factorization.

231324011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270780.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 231324011 is about 15209.3395977603. The cubic root of 231324011 is about 613.8659878986.

Adding to 231324011 its reverse (110423132), we get a palindrome (341747143).

The spelling of 231324011 in words is "two hundred thirty-one million, three hundred twenty-four thousand, eleven".