131110101277 has 2 divisors, whose sum is σ = 131110101278. Its totient is φ = 131110101276.

The previous prime is 131110101263. The next prime is 131110101307. The reversal of 131110101277 is 772101011131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99257132601 + 31852968676 = 315051^2 + 178474^2 .

It is an emirp because it is prime and its reverse (772101011131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131110101277 - 2¹⁹ = 131109576989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131110101257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65555050638 + 65555050639.

It is an arithmetic number, because the mean of its divisors is an integer number (65555050639).

Almost surely, 2^131110101277 is an apocalyptic number.

It is an amenable number.

131110101277 is a deficient number, since it is larger than the sum of its proper divisors (1).

131110101277 is an equidigital number, since it uses as much as digits as its factorization.

131110101277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294, while the sum is 25.

The spelling of 131110101277 in words is "one hundred thirty-one billion, one hundred ten million, one hundred one thousand, two hundred seventy-seven".