13331131460261 has 2 divisors, whose sum is σ = 13331131460262. Its totient is φ = 13331131460260.

The previous prime is 13331131460131. The next prime is 13331131460279. The reversal of 13331131460261 is 16206413113331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11942726430625 + 1388405029636 = 3455825^2 + 1178306^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13331131460261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13331131460561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6665565730130 + 6665565730131.

It is an arithmetic number, because the mean of its divisors is an integer number (6665565730131).

Almost surely, 2^{13331131460261} is an apocalyptic number.

It is an amenable number.

13331131460261 is a deficient number, since it is larger than the sum of its proper divisors (1).

13331131460261 is an equidigital number, since it uses as much as digits as its factorization.

13331131460261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 35.

Adding to 13331131460261 its reverse (16206413113331), we get a palindrome (29537544573592).

The spelling of 13331131460261 in words is "thirteen trillion, three hundred thirty-one billion, one hundred thirty-one million, four hundred sixty thousand, two hundred sixty-one".