231104312 has 16 divisors (see below), whose sum is σ = 435183840. Its totient is φ = 115055296.

The previous prime is 231104303. The next prime is 231104347. The reversal of 231104312 is 213401132.

It is a congruent number.

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, 60128 + ... + 63855.

It is an arithmetic number, because the mean of its divisors is an integer number (27198990).

Almost surely, 2^231104312 is an apocalyptic number.

It is an amenable number.

231104312 is a deficient number, since it is larger than the sum of its proper divisors (204079528).

231104312 is a wasteful number, since it uses less digits than its factorization.

231104312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124222 (or 124218 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 231104312 is about 15202.1153791175. The cubic root of 231104312 is about 613.6715874677.

Adding to 231104312 its reverse (213401132), we get a palindrome (444505444).

The spelling of 231104312 in words is "two hundred thirty-one million, one hundred four thousand, three hundred twelve".