20130310130197 has 2 divisors, whose sum is σ = 20130310130198. Its totient is φ = 20130310130196.

The previous prime is 20130310130027. The next prime is 20130310130213. The reversal of 20130310130197 is 79103101303102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14872121760721 + 5258188369476 = 3856439^2 + 2293074^2 .

It is a cyclic number.

It is not a de Polignac number, because 20130310130197 - 2³¹ = 20128162646549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20130310130297) 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, 10065155065098 + 10065155065099.

It is an arithmetic number, because the mean of its divisors is an integer number (10065155065099).

Almost surely, 2^{20130310130197} is an apocalyptic number.

It is an amenable number.

20130310130197 is a deficient number, since it is larger than the sum of its proper divisors (1).

20130310130197 is an equidigital number, since it uses as much as digits as its factorization.

20130310130197 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 20130310130197 its reverse (79103101303102), we get a palindrome (99233411433299).

The spelling of 20130310130197 in words is "twenty trillion, one hundred thirty billion, three hundred ten million, one hundred thirty thousand, one hundred ninety-seven".