13004433134231 has 64 divisors (see below), whose sum is σ = 16475429486592. Its totient is φ = 9970218720000.

The previous prime is 13004433134207. The next prime is 13004433134239. The reversal of 13004433134231 is 13243133440031.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-13004433134231 is a prime.

It is a super-2 number, since 2×13004433134231² (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 (13004433134239) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5627187566 + ... + 5627189876.

It is an arithmetic number, because the mean of its divisors is an integer number (257428585728).

Almost surely, 2^{13004433134231} is an apocalyptic number.

13004433134231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13004433134231 is a deficient number, since it is larger than the sum of its proper divisors (3470996352361).

13004433134231 is a wasteful number, since it uses less digits than its factorization.

13004433134231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4404.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 13004433134231 its reverse (13243133440031), we get a palindrome (26247566574262).

The spelling of 13004433134231 in words is "thirteen trillion, four billion, four hundred thirty-three million, one hundred thirty-four thousand, two hundred thirty-one".