13044004031 has 4 divisors (see below), whose sum is σ = 13044240600. Its totient is φ = 13043767464.

The previous prime is 13044003979. The next prime is 13044004111. The reversal of 13044004031 is 13040044031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13044004031 is a prime.

It is a super-2 number, since 2×13044004031² (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 = 13044003994 and 13044004012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13044004231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12980 + ... + 162038.

It is an arithmetic number, because the mean of its divisors is an integer number (3261060150).

Almost surely, 2^13044004031 is an apocalyptic number.

13044004031 is a deficient number, since it is larger than the sum of its proper divisors (236569).

13044004031 is an equidigital number, since it uses as much as digits as its factorization.

13044004031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236568.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13044004031 its reverse (13040044031), we get a palindrome (26084048062).

The spelling of 13044004031 in words is "thirteen billion, forty-four million, four thousand, thirty-one".