13220103231 has 48 divisors (see below), whose sum is σ = 20770573824. Its totient is φ = 8386719264.

The previous prime is 13220103217. The next prime is 13220103257. The reversal of 13220103231 is 13230102231.

It is not a de Polignac number, because 13220103231 - 2⁵ = 13220103199 is a prime.

It is a super-2 number, since 2×13220103231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220103031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1095030 + ... + 1107036.

It is an arithmetic number, because the mean of its divisors is an integer number (432720288).

Almost surely, 2^13220103231 is an apocalyptic number.

13220103231 is a deficient number, since it is larger than the sum of its proper divisors (7550470593).

13220103231 is a wasteful number, since it uses less digits than its factorization.

13220103231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12242 (or 12230 counting only the distinct ones).

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

Adding to 13220103231 its reverse (13230102231), we get a palindrome (26450205462).

The spelling of 13220103231 in words is "thirteen billion, two hundred twenty million, one hundred three thousand, two hundred thirty-one".