105112231 has 8 divisors (see below), whose sum is σ = 125351424. Its totient is φ = 86178840.

The previous prime is 105112223. The next prime is 105112243. The reversal of 105112231 is 132211501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105112231 - 2³ = 105112223 is a prime.

It is a super-2 number, since 2×105112231² = 22097162211594722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105112031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326275 + ... + 326596.

It is an arithmetic number, because the mean of its divisors is an integer number (15668928).

Almost surely, 2^105112231 is an apocalyptic number.

105112231 is a deficient number, since it is larger than the sum of its proper divisors (20239193).

105112231 is an equidigital number, since it uses as much as digits as its factorization.

105112231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652901.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 105112231 is about 10252.4256154336. The cubic root of 105112231 is about 471.9374243746.

Adding to 105112231 its reverse (132211501), we get a palindrome (237323732).

The spelling of 105112231 in words is "one hundred five million, one hundred twelve thousand, two hundred thirty-one".