13131320033223 has 18 divisors (see below), whose sum is σ = 22064190804864. Its totient is φ = 7503611447304.

The previous prime is 13131320033201. The next prime is 13131320033257. The reversal of 13131320033223 is 32233002313131.

13131320033223 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 1 + 320 + 0 + 332 + 2 + 3 = 666.

It is not a de Polignac number, because 13131320033223 - 2²¹ = 13131317936071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131320033023) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14888117511 + ... + 14888118392.

It is an arithmetic number, because the mean of its divisors is an integer number (1225788378048).

Almost surely, 2^{13131320033223} is an apocalyptic number.

13131320033223 is a deficient number, since it is larger than the sum of its proper divisors (8932870771641).

13131320033223 is a wasteful number, since it uses less digits than its factorization.

13131320033223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29776235923 (or 29776235913 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 13131320033223 its reverse (32233002313131), we get a palindrome (45364322346354).

The spelling of 13131320033223 in words is "thirteen trillion, one hundred thirty-one billion, three hundred twenty million, thirty-three thousand, two hundred twenty-three".