13721231522344 has 32 divisors (see below), whose sum is σ = 25824947863680. Its totient is φ = 6834618670464.

The previous prime is 13721231522333. The next prime is 13721231522423. The reversal of 13721231522344 is 44322513212731.

It is a junction number, because it is equal to n+sod(n) for n = 13721231522297 and 13721231522306.

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, 257199 + ... + 5244865.

It is an arithmetic number, because the mean of its divisors is an integer number (807029620740).

Almost surely, 2^{13721231522344} is an apocalyptic number.

It is an amenable number.

13721231522344 is a deficient number, since it is larger than the sum of its proper divisors (12103716341336).

13721231522344 is a wasteful number, since it uses less digits than its factorization.

13721231522344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4988977 (or 4988973 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The spelling of 13721231522344 in words is "thirteen trillion, seven hundred twenty-one billion, two hundred thirty-one million, five hundred twenty-two thousand, three hundred forty-four".