13731709319 has 8 divisors (see below), whose sum is σ = 14545394928. Its totient is φ = 12918683520.

The previous prime is 13731709309. The next prime is 13731709361. The reversal of 13731709319 is 91390713731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13731709319 - 2²⁴ = 13714932103 is a prime.

It is a super-2 number, since 2×13731709319² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13731709319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13731709309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121772 + ... + 205649.

It is an arithmetic number, because the mean of its divisors is an integer number (1818174366).

Almost surely, 2^13731709319 is an apocalyptic number.

13731709319 is a deficient number, since it is larger than the sum of its proper divisors (813685609).

13731709319 is a wasteful number, since it uses less digits than its factorization.

13731709319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329905.

The product of its (nonzero) digits is 107163, while the sum is 44.

The spelling of 13731709319 in words is "thirteen billion, seven hundred thirty-one million, seven hundred nine thousand, three hundred nineteen".