13002332203261 has 2 divisors, whose sum is σ = 13002332203262. Its totient is φ = 13002332203260.

The previous prime is 13002332203253. The next prime is 13002332203351. The reversal of 13002332203261 is 16230223320031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7379339652036 + 5622992551225 = 2716494^2 + 2371285^2 .

It is a cyclic number.

It is not a de Polignac number, because 13002332203261 - 2³ = 13002332203253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13002332203241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6501166101630 + 6501166101631.

It is an arithmetic number, because the mean of its divisors is an integer number (6501166101631).

Almost surely, 2^{13002332203261} is an apocalyptic number.

It is an amenable number.

13002332203261 is a deficient number, since it is larger than the sum of its proper divisors (1).

13002332203261 is an equidigital number, since it uses as much as digits as its factorization.

13002332203261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 13002332203261 its reverse (16230223320031), we get a palindrome (29232555523292).

The spelling of 13002332203261 in words is "thirteen trillion, two billion, three hundred thirty-two million, two hundred three thousand, two hundred sixty-one".