13887631314 has 12 divisors (see below), whose sum is σ = 30089867886. Its totient is φ = 4629210432.

The previous prime is 13887631291. The next prime is 13887631361. The reversal of 13887631314 is 41313678831.

13887631314 is a `hidden beast` number, since 1 + 3 + 8 + 8 + 7 + 631 + 3 + 1 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12237890625 + 1649740689 = 110625^2 + 40617^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13887631314.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 385767519 + ... + 385767554.

Almost surely, 2^13887631314 is an apocalyptic number.

13887631314 is an abundant number, since it is smaller than the sum of its proper divisors (16202236572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13887631314 is a wasteful number, since it uses less digits than its factorization.

13887631314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771535081 (or 771535078 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The spelling of 13887631314 in words is "thirteen billion, eight hundred eighty-seven million, six hundred thirty-one thousand, three hundred fourteen".