10203443103 has 32 divisors (see below), whose sum is σ = 16231219200. Its totient is φ = 5574593376.

The previous prime is 10203443093. The next prime is 10203443111. The reversal of 10203443103 is 30134430201.

10203443103 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10203443103 - 2⁵ = 10203443071 is a prime.

It is a super-2 number, since 2×10203443103² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 10203443103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203443123) 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 31 ways as a sum of consecutive naturals, for example, 1967568 + ... + 1972746.

It is an arithmetic number, because the mean of its divisors is an integer number (507225600).

Almost surely, 2^10203443103 is an apocalyptic number.

10203443103 is a deficient number, since it is larger than the sum of its proper divisors (6027776097).

10203443103 is a wasteful number, since it uses less digits than its factorization.

10203443103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9291.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 10203443103 its reverse (30134430201), we get a palindrome (40337873304).

The spelling of 10203443103 in words is "ten billion, two hundred three million, four hundred forty-three thousand, one hundred three".