13021310223 has 32 divisors (see below), whose sum is σ = 20318457600. Its totient is φ = 8218996128.

The previous prime is 13021310221. The next prime is 13021310231. The reversal of 13021310223 is 32201312031.

13021310223 is a `hidden beast` number, since 130 + 2 + 1 + 310 + 223 = 666.

It is not a de Polignac number, because 13021310223 - 2¹ = 13021310221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13021310196 and 13021310205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021310221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 956140 + ... + 969662.

It is an arithmetic number, because the mean of its divisors is an integer number (634951800).

Almost surely, 2^13021310223 is an apocalyptic number.

13021310223 is a deficient number, since it is larger than the sum of its proper divisors (7297147377).

13021310223 is a wasteful number, since it uses less digits than its factorization.

13021310223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15428 (or 15422 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13021310223 its reverse (32201312031), we get a palindrome (45222622254).

The spelling of 13021310223 in words is "thirteen billion, twenty-one million, three hundred ten thousand, two hundred twenty-three".