100103355 has 48 divisors (see below), whose sum is σ = 193729536. Its totient is φ = 47396160.

The previous prime is 100103351. The next prime is 100103363. The reversal of 100103355 is 553301001.

It is a happy number.

It is not a de Polignac number, because 100103355 - 2² = 100103351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100103351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18934 + ... + 23636.

It is an arithmetic number, because the mean of its divisors is an integer number (4036032).

Almost surely, 2^100103355 is an apocalyptic number.

100103355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100103355 is a deficient number, since it is larger than the sum of its proper divisors (93626181).

100103355 is a wasteful number, since it uses less digits than its factorization.

100103355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4768 (or 4765 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 100103355 is about 10005.1664154076. The cubic root of 100103355 is about 464.3187387724.

Adding to 100103355 its reverse (553301001), we get a palindrome (653404356).

The spelling of 100103355 in words is "one hundred million, one hundred three thousand, three hundred fifty-five".