131131233341111 has 2 divisors, whose sum is σ = 131131233341112. Its totient is φ = 131131233341110.

The previous prime is 131131233341047. The next prime is 131131233341117. The reversal of 131131233341111 is 111143332131131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131131233341111 - 2⁶ = 131131233341047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131131233341117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65565616670555 + 65565616670556.

It is an arithmetic number, because the mean of its divisors is an integer number (65565616670556).

Almost surely, 2^{131131233341111} is an apocalyptic number.

131131233341111 is a deficient number, since it is larger than the sum of its proper divisors (1).

131131233341111 is an equidigital number, since it uses as much as digits as its factorization.

131131233341111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 29.

Adding to 131131233341111 its reverse (111143332131131), we get a palindrome (242274565472242).

The spelling of 131131233341111 in words is "one hundred thirty-one trillion, one hundred thirty-one billion, two hundred thirty-three million, three hundred forty-one thousand, one hundred eleven".