231003112 has 8 divisors (see below), whose sum is σ = 433130850. Its totient is φ = 115501552.

The previous prime is 231003109. The next prime is 231003133. The reversal of 231003112 is 211300132.

It can be written as a sum of positive squares in only one way, i.e., 144624676 + 86378436 = 12026^2 + 9294^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 231003092 and 231003101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14437687 + ... + 14437702.

Almost surely, 2^231003112 is an apocalyptic number.

It is an amenable number.

231003112 is a deficient number, since it is larger than the sum of its proper divisors (202127738).

231003112 is a wasteful number, since it uses less digits than its factorization.

231003112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28875395 (or 28875391 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 231003112 is about 15198.7865305096. The cubic root of 231003112 is about 613.5819993053.

Adding to 231003112 its reverse (211300132), we get a palindrome (442303244).

The spelling of 231003112 in words is "two hundred thirty-one million, three thousand, one hundred twelve".