13104520204231 has 4 divisors (see below), whose sum is σ = 13527246662464. Its totient is φ = 12681793746000.

The previous prime is 13104520204199. The next prime is 13104520204241. The reversal of 13104520204231 is 13240202540131.

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

It is a cyclic number.

It is not a de Polignac number, because 13104520204231 - 2⁵ = 13104520204199 is a prime.

It is a super-2 number, since 2×13104520204231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13104520204231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13104520204241) 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, 211363229070 + ... + 211363229131.

It is an arithmetic number, because the mean of its divisors is an integer number (3381811665616).

Almost surely, 2^{13104520204231} is an apocalyptic number.

13104520204231 is a deficient number, since it is larger than the sum of its proper divisors (422726458233).

13104520204231 is an equidigital number, since it uses as much as digits as its factorization.

13104520204231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422726458232.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 13104520204231 its reverse (13240202540131), we get a palindrome (26344722744362).

The spelling of 13104520204231 in words is "thirteen trillion, one hundred four billion, five hundred twenty million, two hundred four thousand, two hundred thirty-one".