212031112231 has 8 divisors (see below), whose sum is σ = 212976378720. Its totient is φ = 211086778368.

The previous prime is 212031112211. The next prime is 212031112247. The reversal of 212031112231 is 132211130212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212031112231 - 2²⁵ = 211997557799 is a prime.

It is a super-2 number, since 2×212031112231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212031112199 and 212031112208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212031112211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224550 + ... + 688828.

It is an arithmetic number, because the mean of its divisors is an integer number (26622047340).

Almost surely, 2^212031112231 is an apocalyptic number.

212031112231 is a deficient number, since it is larger than the sum of its proper divisors (945266489).

212031112231 is a wasteful number, since it uses less digits than its factorization.

212031112231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466313.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 212031112231 its reverse (132211130212), we get a palindrome (344242242443).

The spelling of 212031112231 in words is "two hundred twelve billion, thirty-one million, one hundred twelve thousand, two hundred thirty-one".