131131112023 has 2 divisors, whose sum is σ = 131131112024. Its totient is φ = 131131112022.

The previous prime is 131131112011. The next prime is 131131112029. The reversal of 131131112023 is 320211131131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131131112023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131131112029) 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, 65565556011 + 65565556012.

It is an arithmetic number, because the mean of its divisors is an integer number (65565556012).

Almost surely, 2^131131112023 is an apocalyptic number.

131131112023 is a deficient number, since it is larger than the sum of its proper divisors (1).

131131112023 is an equidigital number, since it uses as much as digits as its factorization.

131131112023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 131131112023 its reverse (320211131131), we get a palindrome (451342243154).

The spelling of 131131112023 in words is "one hundred thirty-one billion, one hundred thirty-one million, one hundred twelve thousand, twenty-three".