131722711 has 2 divisors, whose sum is σ = 131722712. Its totient is φ = 131722710.

The previous prime is 131722673. The next prime is 131722739. The reversal of 131722711 is 117227131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131722711 - 2¹³ = 131714519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131722741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65861355 + 65861356.

It is an arithmetic number, because the mean of its divisors is an integer number (65861356).

Almost surely, 2^131722711 is an apocalyptic number.

131722711 is a deficient number, since it is larger than the sum of its proper divisors (1).

131722711 is an equidigital number, since it uses as much as digits as its factorization.

131722711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 588, while the sum is 25.

The square root of 131722711 is about 11477.0514941774. The cubic root of 131722711 is about 508.8075575542.

Adding to 131722711 its reverse (117227131), we get a palindrome (248949842).

The spelling of 131722711 in words is "one hundred thirty-one million, seven hundred twenty-two thousand, seven hundred eleven".