231301320331112 has 128 divisors (see below), whose sum is σ = 474775190346240. Its totient is φ = 105417428613120.

The previous prime is 231301320331111. The next prime is 231301320331139. The reversal of 231301320331112 is 211133023103132.

It is not an unprimeable number, because it can be changed into a prime (231301320331111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26405183 + ... + 34056369.

It is an arithmetic number, because the mean of its divisors is an integer number (3709181174580).

Almost surely, 2^{231301320331112} is an apocalyptic number.

It is an amenable number.

231301320331112 is an abundant number, since it is smaller than the sum of its proper divisors (243473870015128).

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

231301320331112 is a wasteful number, since it uses less digits than its factorization.

231301320331112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7651371 (or 7651367 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 231301320331112 its reverse (211133023103132), we get a palindrome (442434343434244).

The spelling of 231301320331112 in words is "two hundred thirty-one trillion, three hundred one billion, three hundred twenty million, three hundred thirty-one thousand, one hundred twelve".