13020133261 has 2 divisors, whose sum is σ = 13020133262. Its totient is φ = 13020133260.

The previous prime is 13020133201. The next prime is 13020133297. The reversal of 13020133261 is 16233102031.

13020133261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8613696100 + 4406437161 = 92810^2 + 66381^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13020133261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13020133201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510066630 + 6510066631.

It is an arithmetic number, because the mean of its divisors is an integer number (6510066631).

Almost surely, 2^13020133261 is an apocalyptic number.

It is an amenable number.

13020133261 is a deficient number, since it is larger than the sum of its proper divisors (1).

13020133261 is an equidigital number, since it uses as much as digits as its factorization.

13020133261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13020133261 its reverse (16233102031), we get a palindrome (29253235292).

The spelling of 13020133261 in words is "thirteen billion, twenty million, one hundred thirty-three thousand, two hundred sixty-one".