1311424111 has 2 divisors, whose sum is σ = 1311424112. Its totient is φ = 1311424110.

The previous prime is 1311424087. The next prime is 1311424117. The reversal of 1311424111 is 1114241131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1311424111 - 2⁹ = 1311423599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311424117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655712055 + 655712056.

It is an arithmetic number, because the mean of its divisors is an integer number (655712056).

Almost surely, 2^1311424111 is an apocalyptic number.

1311424111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311424111 is an equidigital number, since it uses as much as digits as its factorization.

1311424111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96, while the sum is 19.

The square root of 1311424111 is about 36213.5901423761. The cubic root of 1311424111 is about 1094.5805364300.

Adding to 1311424111 its reverse (1114241131), we get a palindrome (2425665242).

The spelling of 1311424111 in words is "one billion, three hundred eleven million, four hundred twenty-four thousand, one hundred eleven".