1301320311197 has 2 divisors, whose sum is σ = 1301320311198. Its totient is φ = 1301320311196.

The previous prime is 1301320311173. The next prime is 1301320311227. The reversal of 1301320311197 is 7911130231031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1130928029401 + 170392281796 = 1063451^2 + 412786^2 .

It is an emirp because it is prime and its reverse (7911130231031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1301320311197 - 2³⁶ = 1232600834461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301320311397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650660155598 + 650660155599.

It is an arithmetic number, because the mean of its divisors is an integer number (650660155599).

Almost surely, 2^{1301320311197} is an apocalyptic number.

It is an amenable number.

1301320311197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301320311197 is an equidigital number, since it uses as much as digits as its factorization.

1301320311197 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 32.

The spelling of 1301320311197 in words is "one trillion, three hundred one billion, three hundred twenty million, three hundred eleven thousand, one hundred ninety-seven".