131726311 has 2 divisors, whose sum is σ = 131726312. Its totient is φ = 131726310.

The previous prime is 131726303. The next prime is 131726351. The reversal of 131726311 is 113627131.

It is a weak prime.

It is an emirp because it is prime and its reverse (113627131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131726311 - 2³ = 131726303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131726351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65863155 + 65863156.

It is an arithmetic number, because the mean of its divisors is an integer number (65863156).

Almost surely, 2^131726311 is an apocalyptic number.

131726311 is a deficient number, since it is larger than the sum of its proper divisors (1).

131726311 is an equidigital number, since it uses as much as digits as its factorization.

131726311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 25.

The square root of 131726311 is about 11477.2083278121. The cubic root of 131726311 is about 508.8121927724.

The spelling of 131726311 in words is "one hundred thirty-one million, seven hundred twenty-six thousand, three hundred eleven".