131016266761 has 2 divisors, whose sum is σ = 131016266762. Its totient is φ = 131016266760.

The previous prime is 131016266713. The next prime is 131016266783. The reversal of 131016266761 is 167662610131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65603089161 + 65413177600 = 256131^2 + 255760^2 .

It is a cyclic number.

It is not a de Polignac number, because 131016266761 - 2³⁵ = 96656528393 is a prime.

It is a super-2 number, since 2×131016266761² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131016266261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65508133380 + 65508133381.

It is an arithmetic number, because the mean of its divisors is an integer number (65508133381).

Almost surely, 2^131016266761 is an apocalyptic number.

It is an amenable number.

131016266761 is a deficient number, since it is larger than the sum of its proper divisors (1).

131016266761 is an equidigital number, since it uses as much as digits as its factorization.

131016266761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

Adding to 131016266761 its reverse (167662610131), we get a palindrome (298678876892).

The spelling of 131016266761 in words is "one hundred thirty-one billion, sixteen million, two hundred sixty-six thousand, seven hundred sixty-one".