103886931 has 4 divisors (see below), whose sum is σ = 138515912. Its totient is φ = 69257952.

The previous prime is 103886899. The next prime is 103886953. The reversal of 103886931 is 139688301.

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

It is not a de Polignac number, because 103886931 - 2⁵ = 103886899 is a prime.

It is a super-2 number, since 2×103886931² = 21584988865197522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103886931.

It is not an unprimeable number, because it can be changed into a prime (103886131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17314486 + ... + 17314491.

It is an arithmetic number, because the mean of its divisors is an integer number (34628978).

Almost surely, 2^103886931 is an apocalyptic number.

103886931 is a deficient number, since it is larger than the sum of its proper divisors (34628981).

103886931 is an equidigital number, since it uses as much as digits as its factorization.

103886931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34628980.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 103886931 is about 10192.4938557745. The cubic root of 103886931 is about 470.0964507051.

The spelling of 103886931 in words is "one hundred three million, eight hundred eighty-six thousand, nine hundred thirty-one".