3112001111 has 2 divisors, whose sum is σ = 3112001112. Its totient is φ = 3112001110.

The previous prime is 3112001041. The next prime is 3112001119. The reversal of 3112001111 is 1111002113.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3112001111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3112001092 and 3112001101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3112001119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556000555 + 1556000556.

It is an arithmetic number, because the mean of its divisors is an integer number (1556000556).

Almost surely, 2^3112001111 is an apocalyptic number.

3112001111 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112001111 is an equidigital number, since it uses as much as digits as its factorization.

3112001111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 3112001111 is about 55785.3126817445. The cubic root of 3112001111 is about 1459.9789061505.

Adding to 3112001111 its reverse (1111002113), we get a palindrome (4223003224).

The spelling of 3112001111 in words is "three billion, one hundred twelve million, one thousand, one hundred eleven".