105312107 has 4 divisors (see below), whose sum is σ = 105364656. Its totient is φ = 105259560.

The previous prime is 105312091. The next prime is 105312121. The reversal of 105312107 is 701213501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 701213501 = 17 ⋅41247853.

It is a cyclic number.

It is not a de Polignac number, because 105312107 - 2⁴ = 105312091 is a prime.

It is a super-2 number, since 2×105312107² = 22181279761558898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105312407) 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 3 ways as a sum of consecutive naturals, for example, 23144 + ... + 27317.

It is an arithmetic number, because the mean of its divisors is an integer number (26341164).

Almost surely, 2^105312107 is an apocalyptic number.

105312107 is a deficient number, since it is larger than the sum of its proper divisors (52549).

105312107 is an equidigital number, since it uses as much as digits as its factorization.

105312107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52548.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 105312107 is about 10262.1687279054. The cubic root of 105312107 is about 472.2363722593.

Adding to 105312107 its reverse (701213501), we get a palindrome (806525608).

The spelling of 105312107 in words is "one hundred five million, three hundred twelve thousand, one hundred seven".