3143123111 has 2 divisors, whose sum is σ = 3143123112. Its totient is φ = 3143123110.

The previous prime is 3143123063. The next prime is 3143123117. The reversal of 3143123111 is 1113213413.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3143123111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3143123117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571561555 + 1571561556.

It is an arithmetic number, because the mean of its divisors is an integer number (1571561556).

Almost surely, 2^3143123111 is an apocalyptic number.

3143123111 is a deficient number, since it is larger than the sum of its proper divisors (1).

3143123111 is an equidigital number, since it uses as much as digits as its factorization.

3143123111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 20.

The square root of 3143123111 is about 56063.5631315028. The cubic root of 3143123111 is about 1464.8296790115.

Adding to 3143123111 its reverse (1113213413), we get a palindrome (4256336524).

The spelling of 3143123111 in words is "three billion, one hundred forty-three million, one hundred twenty-three thousand, one hundred eleven".