231103004 has 24 divisors (see below), whose sum is σ = 464419200. Its totient is φ = 99517680.

The previous prime is 231103003. The next prime is 231103009. The reversal of 231103004 is 400301132.

231103004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 231103004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231103003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137384 + ... + 139055.

It is an arithmetic number, because the mean of its divisors is an integer number (19350800).

Almost surely, 2^231103004 is an apocalyptic number.

It is an amenable number.

231103004 is an abundant number, since it is smaller than the sum of its proper divisors (233316196).

231103004 is a wasteful number, since it uses less digits than its factorization.

231103004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276473 (or 276471 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 231103004 is about 15202.0723587279. The cubic root of 231103004 is about 613.6704297164.

Adding to 231103004 its reverse (400301132), we get a palindrome (631404136).

The spelling of 231103004 in words is "two hundred thirty-one million, one hundred three thousand, four".