3112211332231 has 4 divisors (see below), whose sum is σ = 3112617157000. Its totient is φ = 3111805507464.

The previous prime is 3112211332201. The next prime is 3112211332273. The reversal of 3112211332231 is 1322331122113.

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

It is a cyclic number.

It is not a de Polignac number, because 3112211332231 - 2¹³ = 3112211324039 is a prime.

It is a super-3 number, since 3×3112211332231³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3112211332196 and 3112211332205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112211332201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202900881 + ... + 202916218.

It is an arithmetic number, because the mean of its divisors is an integer number (778154289250).

Almost surely, 2^{3112211332231} is an apocalyptic number.

3112211332231 is a deficient number, since it is larger than the sum of its proper divisors (405824769).

3112211332231 is an equidigital number, since it uses as much as digits as its factorization.

3112211332231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405824768.

The product of its digits is 1296, while the sum is 25.

Adding to 3112211332231 its reverse (1322331122113), we get a palindrome (4434542454344).

The spelling of 3112211332231 in words is "three trillion, one hundred twelve billion, two hundred eleven million, three hundred thirty-two thousand, two hundred thirty-one".