13031144344031 has 8 divisors (see below), whose sum is σ = 14217756610944. Its totient is φ = 11844859207320.

The previous prime is 13031144343989. The next prime is 13031144344033. The reversal of 13031144344031 is 13044344113031.

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 13031144344031 - 2²⁶ = 13031077235167 is a prime.

It is a super-2 number, since 2×13031144344031² (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 (13031144344033) 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, 81699251 + ... + 81858596.

It is an arithmetic number, because the mean of its divisors is an integer number (1777219576368).

Almost surely, 2^{13031144344031} is an apocalyptic number.

13031144344031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13031144344031 is a deficient number, since it is larger than the sum of its proper divisors (1186612266913).

13031144344031 is a wasteful number, since it uses less digits than its factorization.

13031144344031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163565101.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 13031144344031 its reverse (13044344113031), we get a palindrome (26075488457062).

The spelling of 13031144344031 in words is "thirteen trillion, thirty-one billion, one hundred forty-four million, three hundred forty-four thousand, thirty-one".