103928931 has 6 divisors (see below), whose sum is σ = 150119580. Its totient is φ = 69285948.

The previous prime is 103928863. The next prime is 103928941. The reversal of 103928931 is 139829301.

It is not a de Polignac number, because 103928931 - 2²⁶ = 36820067 is a prime.

It is a super-2 number, since 2×103928931² = 21602445397605522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103928941) 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 5 ways as a sum of consecutive naturals, for example, 5773821 + ... + 5773838.

It is an arithmetic number, because the mean of its divisors is an integer number (25019930).

Almost surely, 2^103928931 is an apocalyptic number.

103928931 is a deficient number, since it is larger than the sum of its proper divisors (46190649).

103928931 is a wasteful number, since it uses less digits than its factorization.

103928931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11547665 (or 11547662 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 103928931 is about 10194.5539873013. The cubic root of 103928931 is about 470.1597932596.

The spelling of 103928931 in words is "one hundred three million, nine hundred twenty-eight thousand, nine hundred thirty-one".