3112222231 has 2 divisors, whose sum is σ = 3112222232. Its totient is φ = 3112222230.

The previous prime is 3112222189. The next prime is 3112222247. The reversal of 3112222231 is 1322222113.

3112222231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3112222231 - 2²¹ = 3110125079 is a prime.

It is a super-2 number, since 2×3112222231² = 19371854430261234722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3112222199 and 3112222208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3112222271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556111115 + 1556111116.

It is an arithmetic number, because the mean of its divisors is an integer number (1556111116).

Almost surely, 2^3112222231 is an apocalyptic number.

3112222231 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112222231 is an equidigital number, since it uses as much as digits as its factorization.

3112222231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 19.

The square root of 3112222231 is about 55787.2945302064. The cubic root of 3112222231 is about 1460.0134844254.

Adding to 3112222231 its reverse (1322222113), we get a palindrome (4434444344).

The spelling of 3112222231 in words is "three billion, one hundred twelve million, two hundred twenty-two thousand, two hundred thirty-one".