100351903 has 2 divisors, whose sum is σ = 100351904. Its totient is φ = 100351902.

The previous prime is 100351877. The next prime is 100351907. The reversal of 100351903 is 309153001.

It is a strong prime.

It is an emirp because it is prime and its reverse (309153001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100351903 - 2⁵ = 100351871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100351907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50175951 + 50175952.

It is an arithmetic number, because the mean of its divisors is an integer number (50175952).

Almost surely, 2^100351903 is an apocalyptic number.

100351903 is a deficient number, since it is larger than the sum of its proper divisors (1).

100351903 is an equidigital number, since it uses as much as digits as its factorization.

100351903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 405, while the sum is 22.

The square root of 100351903 is about 10017.5796977114. The cubic root of 100351903 is about 464.7027089582.

The spelling of 100351903 in words is "one hundred million, three hundred fifty-one thousand, nine hundred three".