13444342031 has 8 divisors (see below), whose sum is σ = 14481054720. Its totient is φ = 12440540952.

The previous prime is 13444342019. The next prime is 13444342049. The reversal of 13444342031 is 13024344431.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13444342031 is a prime.

It is a super-2 number, since 2×13444342031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13444341985 and 13444342003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444342001) 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, 8227055 + ... + 8228688.

It is an arithmetic number, because the mean of its divisors is an integer number (1810131840).

Almost surely, 2^13444342031 is an apocalyptic number.

13444342031 is a deficient number, since it is larger than the sum of its proper divisors (1036712689).

13444342031 is a wasteful number, since it uses less digits than its factorization.

13444342031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16455805.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 13444342031 its reverse (13024344431), we get a palindrome (26468686462).

The spelling of 13444342031 in words is "thirteen billion, four hundred forty-four million, three hundred forty-two thousand, thirty-one".