20130101297 has 2 divisors, whose sum is σ = 20130101298. Its totient is φ = 20130101296.

The previous prime is 20130101293. The next prime is 20130101309. The reversal of 20130101297 is 79210103102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13745452081 + 6384649216 = 117241^2 + 79904^2 .

It is a cyclic number.

It is not a de Polignac number, because 20130101297 - 2² = 20130101293 is a prime.

It is not a weakly prime, because it can be changed into another prime (20130101293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10065050648 + 10065050649.

It is an arithmetic number, because the mean of its divisors is an integer number (10065050649).

Almost surely, 2^20130101297 is an apocalyptic number.

It is an amenable number.

20130101297 is a deficient number, since it is larger than the sum of its proper divisors (1).

20130101297 is an equidigital number, since it uses as much as digits as its factorization.

20130101297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

Adding to 20130101297 its reverse (79210103102), we get a palindrome (99340204399).

The spelling of 20130101297 in words is "twenty billion, one hundred thirty million, one hundred one thousand, two hundred ninety-seven".