13031202111223 has 4 divisors (see below), whose sum is σ = 13150754424280. Its totient is φ = 12911649798168.

The previous prime is 13031202111149. The next prime is 13031202111247. The reversal of 13031202111223 is 32211120213031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13031202111223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13031202111194 and 13031202111203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031202111523) 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, 59776156365 + ... + 59776156582.

It is an arithmetic number, because the mean of its divisors is an integer number (3287688606070).

Almost surely, 2^{13031202111223} is an apocalyptic number.

13031202111223 is a deficient number, since it is larger than the sum of its proper divisors (119552313057).

13031202111223 is a wasteful number, since it uses less digits than its factorization.

13031202111223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119552313056.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13031202111223 its reverse (32211120213031), we get a palindrome (45242322324254).

The spelling of 13031202111223 in words is "thirteen trillion, thirty-one billion, two hundred two million, one hundred eleven thousand, two hundred twenty-three".