231135044 has 24 divisors (see below), whose sum is σ = 462674688. Its totient is φ = 98971200.

The previous prime is 231135031. The next prime is 231135071. The reversal of 231135044 is 440531132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36944 + ... + 42744.

It is an arithmetic number, because the mean of its divisors is an integer number (19278112).

Almost surely, 2^231135044 is an apocalyptic number.

It is an amenable number.

231135044 is an abundant number, since it is smaller than the sum of its proper divisors (231539644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231135044 is a wasteful number, since it uses less digits than its factorization.

231135044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7235 (or 7233 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 231135044 is about 15203.1261258992. The cubic root of 231135044 is about 613.6987880554.

Adding to 231135044 its reverse (440531132), we get a palindrome (671666176).

The spelling of 231135044 in words is "two hundred thirty-one million, one hundred thirty-five thousand, forty-four".