231424005 has 32 divisors (see below), whose sum is σ = 381947904. Its totient is φ = 119589696.

The previous prime is 231423991. The next prime is 231424007. The reversal of 231424005 is 500424132.

It is not a de Polignac number, because 231424005 - 2⁴ = 231423989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231424007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71022 + ... + 74208.

It is an arithmetic number, because the mean of its divisors is an integer number (11935872).

Almost surely, 2^231424005 is an apocalyptic number.

It is an amenable number.

231424005 is a deficient number, since it is larger than the sum of its proper divisors (150523899).

231424005 is a wasteful number, since it uses less digits than its factorization.

231424005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 231424005 is about 15212.6264990632. The cubic root of 231424005 is about 613.9544267264.

Adding to 231424005 its reverse (500424132), we get a palindrome (731848137).

The spelling of 231424005 in words is "two hundred thirty-one million, four hundred twenty-four thousand, five".