13031044133 has 4 divisors (see below), whose sum is σ = 13092802848. Its totient is φ = 12969285420.

The previous prime is 13031044123. The next prime is 13031044163. The reversal of 13031044133 is 33144013031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13031044133 - 2⁸ = 13031043877 is a prime.

It is a super-2 number, since 2×13031044133² (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 = 13031044099 and 13031044108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031044123) 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, 30879041 + ... + 30879462.

It is an arithmetic number, because the mean of its divisors is an integer number (3273200712).

Almost surely, 2^13031044133 is an apocalyptic number.

It is an amenable number.

13031044133 is a deficient number, since it is larger than the sum of its proper divisors (61758715).

13031044133 is an equidigital number, since it uses as much as digits as its factorization.

13031044133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61758714.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 13031044133 its reverse (33144013031), we get a palindrome (46175057164).

The spelling of 13031044133 in words is "thirteen billion, thirty-one million, forty-four thousand, one hundred thirty-three".