13731038771 has 4 divisors (see below), whose sum is σ = 14538746952. Its totient is φ = 12923330592.

The previous prime is 13731038729. The next prime is 13731038803. The reversal of 13731038771 is 17783013731.

13731038771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13731038771 - 2⁶ = 13731038707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13731038701) 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 in 3 ways as a sum of consecutive naturals, for example, 403854065 + ... + 403854098.

It is an arithmetic number, because the mean of its divisors is an integer number (3634686738).

Almost surely, 2^13731038771 is an apocalyptic number.

13731038771 is a deficient number, since it is larger than the sum of its proper divisors (807708181).

13731038771 is an equidigital number, since it uses as much as digits as its factorization.

13731038771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807708180.

The product of its (nonzero) digits is 74088, while the sum is 41.

The spelling of 13731038771 in words is "thirteen billion, seven hundred thirty-one million, thirty-eight thousand, seven hundred seventy-one".