13103245231 has 12 divisors (see below), whose sum is σ = 13590663240. Its totient is φ = 12631995360.

The previous prime is 13103245223. The next prime is 13103245273. The reversal of 13103245231 is 13254230131.

It is a happy number.

It is not a de Polignac number, because 13103245231 - 2³ = 13103245223 is a prime.

It is a super-2 number, since 2×13103245231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13103245196 and 13103245205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13103249231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105316 + ... + 193126.

It is an arithmetic number, because the mean of its divisors is an integer number (1132555270).

Almost surely, 2^13103245231 is an apocalyptic number.

13103245231 is a deficient number, since it is larger than the sum of its proper divisors (487418009).

13103245231 is an equidigital number, since it uses as much as digits as its factorization.

13103245231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87994 (or 87957 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 13103245231 its reverse (13254230131), we get a palindrome (26357475362).

The spelling of 13103245231 in words is "thirteen billion, one hundred three million, two hundred forty-five thousand, two hundred thirty-one".