131024242177 has 2 divisors, whose sum is σ = 131024242178. Its totient is φ = 131024242176.

The previous prime is 131024242127. The next prime is 131024242187. The reversal of 131024242177 is 771242420131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122667357121 + 8356885056 = 350239^2 + 91416^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131024242177 is a prime.

It is not a weakly prime, because it can be changed into another prime (131024242127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65512121088 + 65512121089.

It is an arithmetic number, because the mean of its divisors is an integer number (65512121089).

Almost surely, 2^131024242177 is an apocalyptic number.

It is an amenable number.

131024242177 is a deficient number, since it is larger than the sum of its proper divisors (1).

131024242177 is an equidigital number, since it uses as much as digits as its factorization.

131024242177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 34.

The spelling of 131024242177 in words is "one hundred thirty-one billion, twenty-four million, two hundred forty-two thousand, one hundred seventy-seven".