1013321013197 has 2 divisors, whose sum is σ = 1013321013198. Its totient is φ = 1013321013196.

The previous prime is 1013321013161. The next prime is 1013321013203. The reversal of 1013321013197 is 7913101233101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 726336880516 + 286984132681 = 852254^2 + 535709^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013321013197 - 2¹⁰ = 1013321012173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013321013997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506660506598 + 506660506599.

It is an arithmetic number, because the mean of its divisors is an integer number (506660506599).

Almost surely, 2^{1013321013197} is an apocalyptic number.

It is an amenable number.

1013321013197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013321013197 is an equidigital number, since it uses as much as digits as its factorization.

1013321013197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 32.

Adding to 1013321013197 its reverse (7913101233101), we get a palindrome (8926422246298).

The spelling of 1013321013197 in words is "one trillion, thirteen billion, three hundred twenty-one million, thirteen thousand, one hundred ninety-seven".