1311230202301 has 2 divisors, whose sum is σ = 1311230202302. Its totient is φ = 1311230202300.

The previous prime is 1311230202287. The next prime is 1311230202319. The reversal of 1311230202301 is 1032020321131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 680435263225 + 630794939076 = 824885^2 + 794226^2 .

It is a cyclic number.

It is not a de Polignac number, because 1311230202301 - 2²⁵ = 1311196647869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311230202371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655615101150 + 655615101151.

It is an arithmetic number, because the mean of its divisors is an integer number (655615101151).

Almost surely, 2^{1311230202301} is an apocalyptic number.

It is an amenable number.

1311230202301 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311230202301 is an equidigital number, since it uses as much as digits as its factorization.

1311230202301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1311230202301 its reverse (1032020321131), we get a palindrome (2343250523432).

The spelling of 1311230202301 in words is "one trillion, three hundred eleven billion, two hundred thirty million, two hundred two thousand, three hundred one".