131012200020997 has 2 divisors, whose sum is σ = 131012200020998. Its totient is φ = 131012200020996.

The previous prime is 131012200020853. The next prime is 131012200021037. The reversal of 131012200020997 is 799020002210131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125582302735201 + 5429897285796 = 11206351^2 + 2330214^2 .

It is a cyclic number.

It is not a de Polignac number, because 131012200020997 - 2⁴³ = 122216106998789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131012200090997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65506100010498 + 65506100010499.

It is an arithmetic number, because the mean of its divisors is an integer number (65506100010499).

Almost surely, 2^{131012200020997} is an apocalyptic number.

It is an amenable number.

131012200020997 is a deficient number, since it is larger than the sum of its proper divisors (1).

131012200020997 is an equidigital number, since it uses as much as digits as its factorization.

131012200020997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 37.

The spelling of 131012200020997 in words is "one hundred thirty-one trillion, twelve billion, two hundred million, twenty thousand, nine hundred ninety-seven".