231104144 has 20 divisors (see below), whose sum is σ = 471331440. Its totient is φ = 109470240.

The previous prime is 231104131. The next prime is 231104177. The reversal of 231104144 is 441401132.

231104144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379802 + ... + 380409.

It is an arithmetic number, because the mean of its divisors is an integer number (23566572).

Almost surely, 2^231104144 is an apocalyptic number.

It is an amenable number.

231104144 is an abundant number, since it is smaller than the sum of its proper divisors (240227296).

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

231104144 is a wasteful number, since it uses less digits than its factorization.

231104144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760238 (or 760232 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 231104144 is about 15202.1098535697. The cubic root of 231104144 is about 613.6714387659.

Adding to 231104144 its reverse (441401132), we get a palindrome (672505276).

The spelling of 231104144 in words is "two hundred thirty-one million, one hundred four thousand, one hundred forty-four".