13440400010331 has 8 divisors (see below), whose sum is σ = 20480609539584. Its totient is φ = 7680228577320.

The previous prime is 13440400010327. The next prime is 13440400010333. The reversal of 13440400010331 is 13301000404431.

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

It is not a de Polignac number, because 13440400010331 - 2² = 13440400010327 is a prime.

It is a super-2 number, since 2×13440400010331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13440400010333) 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, 320009524035 + ... + 320009524076.

It is an arithmetic number, because the mean of its divisors is an integer number (2560076192448).

Almost surely, 2^{13440400010331} is an apocalyptic number.

13440400010331 is a deficient number, since it is larger than the sum of its proper divisors (7040209529253).

13440400010331 is an equidigital number, since it uses as much as digits as its factorization.

13440400010331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640019048121.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13440400010331 its reverse (13301000404431), we get a palindrome (26741400414762).

The spelling of 13440400010331 in words is "thirteen trillion, four hundred forty billion, four hundred million, ten thousand, three hundred thirty-one".