103381081 has 2 divisors, whose sum is σ = 103381082. Its totient is φ = 103381080.

The previous prime is 103381051. The next prime is 103381171. The reversal of 103381081 is 180183301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90421081 + 12960000 = 9509^2 + 3600^2 .

It is a cyclic number.

It is not a de Polignac number, because 103381081 - 2⁹ = 103380569 is a prime.

It is a super-2 number, since 2×103381081² = 21375295817457122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103381051) 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 as a sum of consecutive naturals, namely, 51690540 + 51690541.

It is an arithmetic number, because the mean of its divisors is an integer number (51690541).

Almost surely, 2^103381081 is an apocalyptic number.

It is an amenable number.

103381081 is a deficient number, since it is larger than the sum of its proper divisors (1).

103381081 is an equidigital number, since it uses as much as digits as its factorization.

103381081 is an odious number, because the sum of its binary digits is odd.

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

The square root of 103381081 is about 10167.6487449164. The cubic root of 103381081 is about 469.3322053852.

The spelling of 103381081 in words is "one hundred three million, three hundred eighty-one thousand, eighty-one".