231313103 has 16 divisors (see below), whose sum is σ = 279552000. Its totient is φ = 187185600.

The previous prime is 231313091. The next prime is 231313109. The reversal of 231313103 is 301313132.

It is a de Polignac number, because none of the positive numbers 2^k-231313103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231313109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4103 + ... + 21896.

It is an arithmetic number, because the mean of its divisors is an integer number (17472000).

Almost surely, 2^231313103 is an apocalyptic number.

231313103 is a deficient number, since it is larger than the sum of its proper divisors (48238897).

231313103 is a wasteful number, since it uses less digits than its factorization.

231313103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26078.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 231313103 is about 15208.9809980814. The cubic root of 231313103 is about 613.8563388708.

Adding to 231313103 its reverse (301313132), we get a palindrome (532626235).

The spelling of 231313103 in words is "two hundred thirty-one million, three hundred thirteen thousand, one hundred three".