13031011043 has 2 divisors, whose sum is σ = 13031011044. Its totient is φ = 13031011042.

The previous prime is 13031011009. The next prime is 13031011109. The reversal of 13031011043 is 34011013031.

13031011043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13031011043 is a prime.

It is not a weakly prime, because it can be changed into another prime (13031011943) 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, 6515505521 + 6515505522.

It is an arithmetic number, because the mean of its divisors is an integer number (6515505522).

Almost surely, 2^13031011043 is an apocalyptic number.

13031011043 is a deficient number, since it is larger than the sum of its proper divisors (1).

13031011043 is an equidigital number, since it uses as much as digits as its factorization.

13031011043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13031011043 its reverse (34011013031), we get a palindrome (47042024074).

The spelling of 13031011043 in words is "thirteen billion, thirty-one million, eleven thousand, forty-three".