199631103 has 16 divisors (see below), whose sum is σ = 314013696. Its totient is φ = 110394720.

The previous prime is 199631083. The next prime is 199631147. The reversal of 199631103 is 301136991.

It is a happy number.

It is not a de Polignac number, because 199631103 - 2⁵ = 199631071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199631303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152676 + ... + 153977.

It is an arithmetic number, because the mean of its divisors is an integer number (19625856).

Almost surely, 2^199631103 is an apocalyptic number.

199631103 is a deficient number, since it is larger than the sum of its proper divisors (114382593).

199631103 is a wasteful number, since it uses less digits than its factorization.

199631103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306694.

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 199631103 is about 14129.0871255011. The cubic root of 199631103 is about 584.4437725614.

The spelling of 199631103 in words is "one hundred ninety-nine million, six hundred thirty-one thousand, one hundred three".