1013321003197 has 2 divisors, whose sum is σ = 1013321003198. Its totient is φ = 1013321003196.

The previous prime is 1013321003131. The next prime is 1013321003231. The reversal of 1013321003197 is 7913001233101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 884942829796 + 128378173401 = 940714^2 + 358299^2 .

It is an emirp because it is prime and its reverse (7913001233101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1013321003197 - 2¹⁹ = 1013320478909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013321013197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506660501598 + 506660501599.

It is an arithmetic number, because the mean of its divisors is an integer number (506660501599).

Almost surely, 2^{1013321003197} is an apocalyptic number.

It is an amenable number.

1013321003197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013321003197 is an equidigital number, since it uses as much as digits as its factorization.

1013321003197 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.

Adding to 1013321003197 its reverse (7913001233101), we get a palindrome (8926322236298).

The spelling of 1013321003197 in words is "one trillion, thirteen billion, three hundred twenty-one million, three thousand, one hundred ninety-seven".