13931048280 has 64 divisors (see below), whose sum is σ = 42112224000. Its totient is φ = 3686583680.

The previous prime is 13931048279. The next prime is 13931048297. The reversal of 13931048280 is 8284013931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427380 + ... + 458819.

It is an arithmetic number, because the mean of its divisors is an integer number (658003500).

Almost surely, 2^13931048280 is an apocalyptic number.

13931048280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13931048280 is an abundant number, since it is smaller than the sum of its proper divisors (28181175720).

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

13931048280 is a wasteful number, since it uses less digits than its factorization.

13931048280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886344 (or 886340 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 13931048280 in words is "thirteen billion, nine hundred thirty-one million, forty-eight thousand, two hundred eighty".