231084988 has 12 divisors (see below), whose sum is σ = 405903960. Its totient is φ = 115112432.

The previous prime is 231084949. The next prime is 231084989. The reversal of 231084988 is 889480132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231084989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106306 + ... + 108457.

It is an arithmetic number, because the mean of its divisors is an integer number (33825330).

Almost surely, 2^231084988 is an apocalyptic number.

It is an amenable number.

231084988 is a deficient number, since it is larger than the sum of its proper divisors (174818972).

231084988 is a wasteful number, since it uses less digits than its factorization.

231084988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215036 (or 215034 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 231084988 is about 15201.4797963882. The cubic root of 231084988 is about 613.6544827525.

The spelling of 231084988 in words is "two hundred thirty-one million, eighty-four thousand, nine hundred eighty-eight".