3112123331 has 2 divisors, whose sum is σ = 3112123332. Its totient is φ = 3112123330.

The previous prime is 3112123319. The next prime is 3112123349. The reversal of 3112123331 is 1333212113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3112123331 - 2¹⁸ = 3111861187 is a prime.

It is a super-2 number, since 2×3112123331² = 19370623254709071122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3112123351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556061665 + 1556061666.

It is an arithmetic number, because the mean of its divisors is an integer number (1556061666).

Almost surely, 2^3112123331 is an apocalyptic number.

3112123331 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112123331 is an equidigital number, since it uses as much as digits as its factorization.

3112123331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 20.

The square root of 3112123331 is about 55786.4081206166. The cubic root of 3112123331 is about 1459.9980188564.

Adding to 3112123331 its reverse (1333212113), we get a palindrome (4445335444).

The spelling of 3112123331 in words is "three billion, one hundred twelve million, one hundred twenty-three thousand, three hundred thirty-one".