231040084 has 48 divisors (see below), whose sum is σ = 457228800. Its totient is φ = 101235200.

The previous prime is 231040067. The next prime is 231040087. The reversal of 231040084 is 480040132.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231040087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159837 + ... + 161275.

It is an arithmetic number, because the mean of its divisors is an integer number (9525600).

Almost surely, 2^231040084 is an apocalyptic number.

It is an amenable number.

231040084 is a deficient number, since it is larger than the sum of its proper divisors (226188716).

231040084 is a wasteful number, since it uses less digits than its factorization.

231040084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584 (or 1582 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 231040084 is about 15200.0027631576. The cubic root of 231040084 is about 613.6147321162.

The spelling of 231040084 in words is "two hundred thirty-one million, forty thousand, eighty-four".