103108381 has 8 divisors (see below), whose sum is σ = 106990520. Its totient is φ = 99283968.

The previous prime is 103108363. The next prime is 103108391. The reversal of 103108381 is 183801301.

It can be written as a sum of positive squares in 4 ways, for example, as 26265625 + 76842756 = 5125^2 + 8766^2 .

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 103108381 - 2¹⁷ = 102977309 is a prime.

It is a super-2 number, since 2×103108381² = 21262676464882322, 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 (103108391) 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, 10776 + ... + 17953.

It is an arithmetic number, because the mean of its divisors is an integer number (13373815).

Almost surely, 2^103108381 is an apocalyptic number.

It is an amenable number.

103108381 is a deficient number, since it is larger than the sum of its proper divisors (3882139).

103108381 is an equidigital number, since it uses as much as digits as its factorization.

103108381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28863.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 103108381 is about 10154.2297098303. The cubic root of 103108381 is about 468.9191717445.

Adding to 103108381 its reverse (183801301), we get a palindrome (286909682).

The spelling of 103108381 in words is "one hundred three million, one hundred eight thousand, three hundred eighty-one".