13205442848831 has 2 divisors, whose sum is σ = 13205442848832. Its totient is φ = 13205442848830.

The previous prime is 13205442848671. The next prime is 13205442848839. The reversal of 13205442848831 is 13884824450231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13205442848831 is a prime.

It is a super-2 number, since 2×13205442848831² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13205442848839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6602721424415 + 6602721424416.

It is an arithmetic number, because the mean of its divisors is an integer number (6602721424416).

Almost surely, 2^{13205442848831} is an apocalyptic number.

13205442848831 is a deficient number, since it is larger than the sum of its proper divisors (1).

13205442848831 is an equidigital number, since it uses as much as digits as its factorization.

13205442848831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5898240, while the sum is 53.

The spelling of 13205442848831 in words is "thirteen trillion, two hundred five billion, four hundred forty-two million, eight hundred forty-eight thousand, eight hundred thirty-one".