103831193903 has 4 divisors (see below), whose sum is σ = 103832052720. Its totient is φ = 103830335088.

The previous prime is 103831193891. The next prime is 103831193941. The reversal of 103831193903 is 309391138301.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 103831193903 - 2⁴ = 103831193887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103831193953) 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 3 ways as a sum of consecutive naturals, for example, 211043 + ... + 502196.

It is an arithmetic number, because the mean of its divisors is an integer number (25958013180).

Almost surely, 2^103831193903 is an apocalyptic number.

103831193903 is a deficient number, since it is larger than the sum of its proper divisors (858817).

103831193903 is an equidigital number, since it uses as much as digits as its factorization.

103831193903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858816.

The product of its (nonzero) digits is 52488, while the sum is 41.

The spelling of 103831193903 in words is "one hundred three billion, eight hundred thirty-one million, one hundred ninety-three thousand, nine hundred three".