231203031330112 has 112 divisors (see below), whose sum is σ = 502553107881360. Its totient is φ = 105045335048192.

The previous prime is 231203031330109. The next prime is 231203031330151. The reversal of 231203031330112 is 211033130302132.

It can be written as a sum of positive squares in 8 ways, for example, as 34377395674176 + 196825635655936 = 5863224^2 + 14029456^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 842080278 + ... + 842354794.

Almost surely, 2^{231203031330112} 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 231203031330112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251276553940680).

231203031330112 is an abundant number, since it is smaller than the sum of its proper divisors (271350076551248).

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

231203031330112 is a wasteful number, since it uses less digits than its factorization.

231203031330112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301268 (or 301258 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 231203031330112 its reverse (211033130302132), we get a palindrome (442236161632244).

The spelling of 231203031330112 in words is "two hundred thirty-one trillion, two hundred three billion, thirty-one million, three hundred thirty thousand, one hundred twelve".