13531330223 has 4 divisors (see below), whose sum is σ = 13531621080. Its totient is φ = 13531039368.

The previous prime is 13531330193. The next prime is 13531330247. The reversal of 13531330223 is 32203313531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32203313531 = 97 ⋅331992923.

It is a cyclic number.

It is not a de Polignac number, because 13531330223 - 2⁶ = 13531330159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13531330192 and 13531330201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531030223) 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, 58208 + ... + 174501.

It is an arithmetic number, because the mean of its divisors is an integer number (3382905270).

Almost surely, 2^13531330223 is an apocalyptic number.

13531330223 is a deficient number, since it is larger than the sum of its proper divisors (290857).

13531330223 is an equidigital number, since it uses as much as digits as its factorization.

13531330223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290856.

The product of its (nonzero) digits is 4860, while the sum is 26.

Adding to 13531330223 its reverse (32203313531), we get a palindrome (45734643754).

The spelling of 13531330223 in words is "thirteen billion, five hundred thirty-one million, three hundred thirty thousand, two hundred twenty-three".