105318971 has 4 divisors (see below), whose sum is σ = 105393600. Its totient is φ = 105244344.

The previous prime is 105318947. The next prime is 105318973. The reversal of 105318971 is 179813501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105318971 is a prime.

It is a super-2 number, since 2×105318971² = 22184171304997682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105318973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35156 + ... + 38033.

It is an arithmetic number, because the mean of its divisors is an integer number (26348400).

Almost surely, 2^105318971 is an apocalyptic number.

105318971 is a deficient number, since it is larger than the sum of its proper divisors (74629).

105318971 is an equidigital number, since it uses as much as digits as its factorization.

105318971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74628.

The product of its (nonzero) digits is 7560, while the sum is 35.

The square root of 105318971 is about 10262.5031546889. The cubic root of 105318971 is about 472.2466317953.

The spelling of 105318971 in words is "one hundred five million, three hundred eighteen thousand, nine hundred seventy-one".