131976311 has 2 divisors, whose sum is σ = 131976312. Its totient is φ = 131976310.

The previous prime is 131976281. The next prime is 131976401. The reversal of 131976311 is 113679131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131976311 - 2¹⁰ = 131975287 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131976811) 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, 65988155 + 65988156.

It is an arithmetic number, because the mean of its divisors is an integer number (65988156).

Almost surely, 2^131976311 is an apocalyptic number.

131976311 is a deficient number, since it is larger than the sum of its proper divisors (1).

131976311 is an equidigital number, since it uses as much as digits as its factorization.

131976311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3402, while the sum is 32.

The square root of 131976311 is about 11488.0943154206. The cubic root of 131976311 is about 509.1338765731.

The spelling of 131976311 in words is "one hundred thirty-one million, nine hundred seventy-six thousand, three hundred eleven".