131822711 has 2 divisors, whose sum is σ = 131822712. Its totient is φ = 131822710.

The previous prime is 131822707. The next prime is 131822731. The reversal of 131822711 is 117228131.

It is a weak prime.

It is an emirp because it is prime and its reverse (117228131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131822711 - 2² = 131822707 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131822731) 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, 65911355 + 65911356.

It is an arithmetic number, because the mean of its divisors is an integer number (65911356).

Almost surely, 2^131822711 is an apocalyptic number.

131822711 is a deficient number, since it is larger than the sum of its proper divisors (1).

131822711 is an equidigital number, since it uses as much as digits as its factorization.

131822711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 26.

The square root of 131822711 is about 11481.4071872746. The cubic root of 131822711 is about 508.9362822190.

The spelling of 131822711 in words is "one hundred thirty-one million, eight hundred twenty-two thousand, seven hundred eleven".