13231232313 has 16 divisors (see below), whose sum is σ = 19008365376. Its totient is φ = 8138151360.

The previous prime is 13231232297. The next prime is 13231232341. The reversal of 13231232313 is 31323213231.

It is not a de Polignac number, because 13231232313 - 2⁴ = 13231232297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13231232353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7878 + ... + 162863.

It is an arithmetic number, because the mean of its divisors is an integer number (1188022836).

Almost surely, 2^13231232313 is an apocalyptic number.

13231232313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13231232313 is a deficient number, since it is larger than the sum of its proper divisors (5777133063).

13231232313 is a wasteful number, since it uses less digits than its factorization.

13231232313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172744.

The product of its digits is 1944, while the sum is 24.

Adding to 13231232313 its reverse (31323213231), we get a palindrome (44554445544).

The spelling of 13231232313 in words is "thirteen billion, two hundred thirty-one million, two hundred thirty-two thousand, three hundred thirteen".