13313220023203 has 4 divisors (see below), whose sum is σ = 13314462982288. Its totient is φ = 13311977064120.

The previous prime is 13313220023179. The next prime is 13313220023219. The reversal of 13313220023203 is 30232002231331.

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 13313220023203 - 2²¹ = 13313217926051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13313220023303) 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, 621463476 + ... + 621484897.

It is an arithmetic number, because the mean of its divisors is an integer number (3328615745572).

Almost surely, 2^{13313220023203} is an apocalyptic number.

13313220023203 is a deficient number, since it is larger than the sum of its proper divisors (1242959085).

13313220023203 is a wasteful number, since it uses less digits than its factorization.

13313220023203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242959084.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 13313220023203 its reverse (30232002231331), we get a palindrome (43545222254534).

The spelling of 13313220023203 in words is "thirteen trillion, three hundred thirteen billion, two hundred twenty million, twenty-three thousand, two hundred three".