131982511 has 2 divisors, whose sum is σ = 131982512. Its totient is φ = 131982510.

The previous prime is 131982503. The next prime is 131982517. The reversal of 131982511 is 115289131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131982511 - 2³ = 131982503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131982517) 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, 65991255 + 65991256.

It is an arithmetic number, because the mean of its divisors is an integer number (65991256).

Almost surely, 2^131982511 is an apocalyptic number.

131982511 is a deficient number, since it is larger than the sum of its proper divisors (1).

131982511 is an equidigital number, since it uses as much as digits as its factorization.

131982511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 31.

The square root of 131982511 is about 11488.3641568328. The cubic root of 131982511 is about 509.1418491670.

The spelling of 131982511 in words is "one hundred thirty-one million, nine hundred eighty-two thousand, five hundred eleven".