131311103220097 has 2 divisors, whose sum is σ = 131311103220098. Its totient is φ = 131311103220096.

The previous prime is 131311103220091. The next prime is 131311103220113. The reversal of 131311103220097 is 790022301113131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113281771978881 + 18029331241216 = 10643391^2 + 4246096^2 .

It is a cyclic number.

It is not a de Polignac number, because 131311103220097 - 2²³ = 131311094831489 is a prime.

It is not a weakly prime, because it can be changed into another prime (131311103220091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65655551610048 + 65655551610049.

It is an arithmetic number, because the mean of its divisors is an integer number (65655551610049).

Almost surely, 2^{131311103220097} is an apocalyptic number.

It is an amenable number.

131311103220097 is a deficient number, since it is larger than the sum of its proper divisors (1).

131311103220097 is an equidigital number, since it uses as much as digits as its factorization.

131311103220097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 34.

The spelling of 131311103220097 in words is "one hundred thirty-one trillion, three hundred eleven billion, one hundred three million, two hundred twenty thousand, ninety-seven".