231112113312001 has 4 divisors (see below), whose sum is σ = 232011382235652. Its totient is φ = 230212844388352.

The previous prime is 231112113311999. The next prime is 231112113312023. The reversal of 231112113312001 is 100213311211132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 101412472781376 + 129699640530625 = 10070376^2 + 11388575^2 .

It is a cyclic number.

It is not a de Polignac number, because 231112113312001 - 2¹ = 231112113311999 is a prime.

It is a super-3 number, since 3×231112113312001³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231112113312061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449634461440 + ... + 449634461953.

It is an arithmetic number, because the mean of its divisors is an integer number (58002845558913).

Almost surely, 2^{231112113312001} is an apocalyptic number.

It is an amenable number.

231112113312001 is a deficient number, since it is larger than the sum of its proper divisors (899268923651).

231112113312001 is an equidigital number, since it uses as much as digits as its factorization.

231112113312001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899268923650.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 231112113312001 its reverse (100213311211132), we get a palindrome (331325424523133).

The spelling of 231112113312001 in words is "two hundred thirty-one trillion, one hundred twelve billion, one hundred thirteen million, three hundred twelve thousand, one".