13231145002147 has 2 divisors, whose sum is σ = 13231145002148. Its totient is φ = 13231145002146.

The previous prime is 13231145002091. The next prime is 13231145002157. The reversal of 13231145002147 is 74120054113231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13231145002147 is a prime.

It is not a weakly prime, because it can be changed into another prime (13231145002157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615572501073 + 6615572501074.

It is an arithmetic number, because the mean of its divisors is an integer number (6615572501074).

Almost surely, 2^{13231145002147} is an apocalyptic number.

13231145002147 is a deficient number, since it is larger than the sum of its proper divisors (1).

13231145002147 is an equidigital number, since it uses as much as digits as its factorization.

13231145002147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

Adding to 13231145002147 its reverse (74120054113231), we get a palindrome (87351199115378).

The spelling of 13231145002147 in words is "thirteen trillion, two hundred thirty-one billion, one hundred forty-five million, two thousand, one hundred forty-seven".