131444227097 has 2 divisors, whose sum is σ = 131444227098. Its totient is φ = 131444227096.

The previous prime is 131444227043. The next prime is 131444227139. The reversal of 131444227097 is 790722444131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91602470281 + 39841756816 = 302659^2 + 199604^2 .

It is a cyclic number.

It is not a de Polignac number, because 131444227097 - 2⁸ = 131444226841 is a prime.

It is not a weakly prime, because it can be changed into another prime (131444220097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65722113548 + 65722113549.

It is an arithmetic number, because the mean of its divisors is an integer number (65722113549).

Almost surely, 2^131444227097 is an apocalyptic number.

It is an amenable number.

131444227097 is a deficient number, since it is larger than the sum of its proper divisors (1).

131444227097 is an equidigital number, since it uses as much as digits as its factorization.

131444227097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 131444227097 in words is "one hundred thirty-one billion, four hundred forty-four million, two hundred twenty-seven thousand, ninety-seven".