131040717277 has 2 divisors, whose sum is σ = 131040717278. Its totient is φ = 131040717276.

The previous prime is 131040717251. The next prime is 131040717319. The reversal of 131040717277 is 772717040131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130936146201 + 104571076 = 361851^2 + 10226^2 .

It is a cyclic number.

It is not a de Polignac number, because 131040717277 - 2¹⁹ = 131040192989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131040715277) 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, 65520358638 + 65520358639.

It is an arithmetic number, because the mean of its divisors is an integer number (65520358639).

Almost surely, 2^131040717277 is an apocalyptic number.

It is an amenable number.

131040717277 is a deficient number, since it is larger than the sum of its proper divisors (1).

131040717277 is an equidigital number, since it uses as much as digits as its factorization.

131040717277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57624, while the sum is 40.

The spelling of 131040717277 in words is "one hundred thirty-one billion, forty million, seven hundred seventeen thousand, two hundred seventy-seven".