13731709318 has 16 divisors (see below), whose sum is σ = 20808208080. Its totient is φ = 6795684000.

The previous prime is 13731709309. The next prime is 13731709361. The reversal of 13731709318 is 81390713731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746188 + ... + 764368.

It is an arithmetic number, because the mean of its divisors is an integer number (1300513005).

Almost surely, 2^13731709318 is an apocalyptic number.

13731709318 is a deficient number, since it is larger than the sum of its proper divisors (7076498762).

13731709318 is a wasteful number, since it uses less digits than its factorization.

13731709318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22023.

The product of its (nonzero) digits is 95256, while the sum is 43.

The spelling of 13731709318 in words is "thirteen billion, seven hundred thirty-one million, seven hundred nine thousand, three hundred eighteen".