13240044123031 has 8 divisors (see below), whose sum is σ = 14688492710400. Its totient is φ = 11832396904440.

The previous prime is 13240044123001. The next prime is 13240044123139. The reversal of 13240044123031 is 13032144004231.

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 not a de Polignac number, because 13240044123031 - 2¹¹ = 13240044120983 is a prime.

It is a super-2 number, since 2×13240044123031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13240044123001) 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, 10200341511 + ... + 10200342808.

It is an arithmetic number, because the mean of its divisors is an integer number (1836061588800).

Almost surely, 2^{13240044123031} is an apocalyptic number.

13240044123031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13240044123031 is a deficient number, since it is larger than the sum of its proper divisors (1448448587369).

13240044123031 is a wasteful number, since it uses less digits than its factorization.

13240044123031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20400684389.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 13240044123031 its reverse (13032144004231), we get a palindrome (26272188127262).

The spelling of 13240044123031 in words is "thirteen trillion, two hundred forty billion, forty-four million, one hundred twenty-three thousand, thirty-one".