231203003112 has 96 divisors (see below), whose sum is σ = 640470823200. Its totient is φ = 75323269248.

The previous prime is 231203003099. The next prime is 231203003113. The reversal of 231203003112 is 211300302132.

231203003112 is a `hidden beast` number, since 2 + 31 + 20 + 300 + 311 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (231203003113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 577603 + ... + 892205.

It is an arithmetic number, because the mean of its divisors is an integer number (6671571075).

Almost surely, 2^231203003112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231203003112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320235411600).

231203003112 is an abundant number, since it is smaller than the sum of its proper divisors (409267820088).

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

231203003112 is a wasteful number, since it uses less digits than its factorization.

231203003112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314847 (or 314840 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 231203003112 its reverse (211300302132), we get a palindrome (442503305244).

The spelling of 231203003112 in words is "two hundred thirty-one billion, two hundred three million, three thousand, one hundred twelve".