13931113800 has 96 divisors (see below), whose sum is σ = 45064169280. Its totient is φ = 3553440000.

The previous prime is 13931113799. The next prime is 13931113817. The reversal of 13931113800 is 831113931.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 490951 + ... + 518550.

It is an arithmetic number, because the mean of its divisors is an integer number (469418430).

Almost surely, 2^13931113800 is an apocalyptic number.

13931113800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13931113800 is an abundant number, since it is smaller than the sum of its proper divisors (31133055480).

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

13931113800 is a wasteful number, since it uses less digits than its factorization.

13931113800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009543 (or 1009534 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The spelling of 13931113800 in words is "thirteen billion, nine hundred thirty-one million, one hundred thirteen thousand, eight hundred".