13113043771 has 2 divisors, whose sum is σ = 13113043772. Its totient is φ = 13113043770.

The previous prime is 13113043763. The next prime is 13113043787. The reversal of 13113043771 is 17734031131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13113043771 - 2³ = 13113043763 is a prime.

It is not a weakly prime, because it can be changed into another prime (13113043871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556521885 + 6556521886.

It is an arithmetic number, because the mean of its divisors is an integer number (6556521886).

Almost surely, 2^13113043771 is an apocalyptic number.

13113043771 is a deficient number, since it is larger than the sum of its proper divisors (1).

13113043771 is an equidigital number, since it uses as much as digits as its factorization.

13113043771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 31.

The spelling of 13113043771 in words is "thirteen billion, one hundred thirteen million, forty-three thousand, seven hundred seventy-one".