131320132331123 has 2 divisors, whose sum is σ = 131320132331124. Its totient is φ = 131320132331122.

The previous prime is 131320132331107. The next prime is 131320132331207. The reversal of 131320132331123 is 321133231023131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131320132331123 - 2⁴ = 131320132331107 is a prime.

It is a super-2 number, since 2×131320132331123² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (131320132331723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65660066165561 + 65660066165562.

It is an arithmetic number, because the mean of its divisors is an integer number (65660066165562).

Almost surely, 2^{131320132331123} is an apocalyptic number.

131320132331123 is a deficient number, since it is larger than the sum of its proper divisors (1).

131320132331123 is an equidigital number, since it uses as much as digits as its factorization.

131320132331123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 131320132331123 its reverse (321133231023131), we get a palindrome (452453363354254).

The spelling of 131320132331123 in words is "one hundred thirty-one trillion, three hundred twenty billion, one hundred thirty-two million, three hundred thirty-one thousand, one hundred twenty-three".