103353781 has 8 divisors (see below), whose sum is σ = 105582240. Its totient is φ = 101141328.

The previous prime is 103353779. The next prime is 103353793. The reversal of 103353781 is 187353301.

It is a happy number.

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 103353781 - 2¹ = 103353779 is a prime.

It is a super-2 number, since 2×103353781² = 21364008093991922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103353751) 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 7 ways as a sum of consecutive naturals, for example, 9535 + ... + 17251.

It is an arithmetic number, because the mean of its divisors is an integer number (13197780).

Almost surely, 2^103353781 is an apocalyptic number.

It is an amenable number.

103353781 is a deficient number, since it is larger than the sum of its proper divisors (2228459).

103353781 is an equidigital number, since it uses as much as digits as its factorization.

103353781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8003.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 103353781 is about 10166.3061630073. The cubic root of 103353781 is about 469.2908893241.

The spelling of 103353781 in words is "one hundred three million, three hundred fifty-three thousand, seven hundred eighty-one".