105231303 has 12 divisors (see below), whose sum is σ = 152274408. Its totient is φ = 70027920.

The previous prime is 105231281. The next prime is 105231307. The reversal of 105231303 is 303132501.

105231303 is a `hidden beast` number, since 10 + 523 + 130 + 3 = 666.

It is not a de Polignac number, because 105231303 - 2¹⁷ = 105100231 is a prime.

It is a super-2 number, since 2×105231303² = 22147254262155618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105231307) 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, 5100 + ... + 15377.

It is an arithmetic number, because the mean of its divisors is an integer number (12689534).

Almost surely, 2^105231303 is an apocalyptic number.

105231303 is a deficient number, since it is larger than the sum of its proper divisors (47043105).

105231303 is a wasteful number, since it uses less digits than its factorization.

105231303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21054 (or 21051 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 105231303 is about 10258.2309878458. The cubic root of 105231303 is about 472.1155619919.

Adding to 105231303 its reverse (303132501), we get a palindrome (408363804).

The spelling of 105231303 in words is "one hundred five million, two hundred thirty-one thousand, three hundred three".