131061660211 has 2 divisors, whose sum is σ = 131061660212. Its totient is φ = 131061660210.

The previous prime is 131061660193. The next prime is 131061660217. The reversal of 131061660211 is 112066160131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131061660211 - 2⁵ = 131061660179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131061660211.

It is not a weakly prime, because it can be changed into another prime (131061660217) 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, 65530830105 + 65530830106.

It is an arithmetic number, because the mean of its divisors is an integer number (65530830106).

Almost surely, 2^131061660211 is an apocalyptic number.

131061660211 is a deficient number, since it is larger than the sum of its proper divisors (1).

131061660211 is an equidigital number, since it uses as much as digits as its factorization.

131061660211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 131061660211 in words is "one hundred thirty-one billion, sixty-one million, six hundred sixty thousand, two hundred eleven".