1301321031097 has 2 divisors, whose sum is σ = 1301321031098. Its totient is φ = 1301321031096.

The previous prime is 1301321031083. The next prime is 1301321031121. The reversal of 1301321031097 is 7901301231031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 929380833936 + 371940197161 = 964044^2 + 609869^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301321031097 - 2⁷ = 1301321030969 is a prime.

It is not a weakly prime, because it can be changed into another prime (1301321031007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650660515548 + 650660515549.

It is an arithmetic number, because the mean of its divisors is an integer number (650660515549).

Almost surely, 2^{1301321031097} is an apocalyptic number.

It is an amenable number.

1301321031097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301321031097 is an equidigital number, since it uses as much as digits as its factorization.

1301321031097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 31.

The spelling of 1301321031097 in words is "one trillion, three hundred one billion, three hundred twenty-one million, thirty-one thousand, ninety-seven".