3112112231 has 2 divisors, whose sum is σ = 3112112232. Its totient is φ = 3112112230.

The previous prime is 3112112203. The next prime is 3112112233. The reversal of 3112112231 is 1322112113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3112112231 - 2¹⁸ = 3111850087 is a prime.

It is a super-2 number, since 2×3112112231² = 19370485076679594722, which contains 22 as substring.

Together with 3112112233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3112112233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556056115 + 1556056116.

It is an arithmetic number, because the mean of its divisors is an integer number (1556056116).

Almost surely, 2^3112112231 is an apocalyptic number.

3112112231 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112112231 is an equidigital number, since it uses as much as digits as its factorization.

3112112231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72, while the sum is 17.

The square root of 3112112231 is about 55786.3086339292. The cubic root of 3112112231 is about 1459.9962830643.

Adding to 3112112231 its reverse (1322112113), we get a palindrome (4434224344).

The spelling of 3112112231 in words is "three billion, one hundred twelve million, one hundred twelve thousand, two hundred thirty-one".