103231317 has 32 divisors (see below), whose sum is σ = 164634624. Its totient is φ = 56304000.

The previous prime is 103231307. The next prime is 103231319. The reversal of 103231317 is 713132301.

It is not a de Polignac number, because 103231317 - 2⁶ = 103231253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 103231293 and 103231302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103231319) 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, 39192 + ... + 41742.

It is an arithmetic number, because the mean of its divisors is an integer number (5144832).

Almost surely, 2^103231317 is an apocalyptic number.

It is an amenable number.

103231317 is a deficient number, since it is larger than the sum of its proper divisors (61403307).

103231317 is a wasteful number, since it uses less digits than its factorization.

103231317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 103231317 is about 10160.2813445298. The cubic root of 103231317 is about 469.1054616499.

Adding to 103231317 its reverse (713132301), we get a palindrome (816363618).

The spelling of 103231317 in words is "one hundred three million, two hundred thirty-one thousand, three hundred seventeen".