103388381 has 8 divisors (see below), whose sum is σ = 108029760. Its totient is φ = 98759232.

The previous prime is 103388371. The next prime is 103388401. The reversal of 103388381 is 183883301.

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 103388381 - 2¹⁸ = 103126237 is a prime.

It is a super-2 number, since 2×103388381² = 21378314651602322, 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 (103388321) 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, 17141 + ... + 22373.

It is an arithmetic number, because the mean of its divisors is an integer number (13503720).

Almost surely, 2^103388381 is an apocalyptic number.

It is an amenable number.

103388381 is a deficient number, since it is larger than the sum of its proper divisors (4641379).

103388381 is an equidigital number, since it uses as much as digits as its factorization.

103388381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6115.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 103388381 is about 10168.0077202960. The cubic root of 103388381 is about 469.3432520372.

The spelling of 103388381 in words is "one hundred three million, three hundred eighty-eight thousand, three hundred eighty-one".