105106231 has 4 divisors (see below), whose sum is σ = 105392992. Its totient is φ = 104819472.

The previous prime is 105106217. The next prime is 105106273. The reversal of 105106231 is 132601501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105106231 - 2⁹ = 105105719 is a prime.

It is a super-2 number, since 2×105106231² = 22094639590050722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105106199 and 105106208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105106201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142830 + ... + 143563.

It is an arithmetic number, because the mean of its divisors is an integer number (26348248).

Almost surely, 2^105106231 is an apocalyptic number.

105106231 is a deficient number, since it is larger than the sum of its proper divisors (286761).

105106231 is an equidigital number, since it uses as much as digits as its factorization.

105106231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286760.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 105106231 is about 10252.1329975767. The cubic root of 105106231 is about 471.9284445175.

Adding to 105106231 its reverse (132601501), we get a palindrome (237707732).

The spelling of 105106231 in words is "one hundred five million, one hundred six thousand, two hundred thirty-one".