231126005 has 16 divisors (see below), whose sum is σ = 303130944. Its totient is φ = 167777280.

The previous prime is 231126001. The next prime is 231126017. The reversal of 231126005 is 500621132.

It is not a de Polignac number, because 231126005 - 2² = 231126001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231126001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28094 + ... + 35376.

It is an arithmetic number, because the mean of its divisors is an integer number (18945684).

Almost surely, 2^231126005 is an apocalyptic number.

It is an amenable number.

231126005 is a deficient number, since it is larger than the sum of its proper divisors (72004939).

231126005 is a wasteful number, since it uses less digits than its factorization.

231126005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7876.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 231126005 is about 15202.8288486058. The cubic root of 231126005 is about 613.6907879766.

Adding to 231126005 its reverse (500621132), we get a palindrome (731747137).

The spelling of 231126005 in words is "two hundred thirty-one million, one hundred twenty-six thousand, five".