231126004 has 12 divisors (see below), whose sum is σ = 412102404. Its totient is φ = 113382464.

The previous prime is 231126001. The next prime is 231126017. The reversal of 231126004 is 400621132.

231126004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 148352400 + 82773604 = 12180^2 + 9098^2 .

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 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, 544897 + ... + 545320.

It is an arithmetic number, because the mean of its divisors is an integer number (34341867).

Almost surely, 2^231126004 is an apocalyptic number.

It is an amenable number.

231126004 is a deficient number, since it is larger than the sum of its proper divisors (180976400).

231126004 is a wasteful number, since it uses less digits than its factorization.

231126004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090274 (or 1090272 counting only the distinct ones).

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

The square root of 231126004 is about 15202.8288157172. The cubic root of 231126004 is about 613.6907870916.

Adding to 231126004 its reverse (400621132), we get a palindrome (631747136).

The spelling of 231126004 in words is "two hundred thirty-one million, one hundred twenty-six thousand, four".