2031123103 has 16 divisors (see below), whose sum is σ = 2138320800. Its totient is φ = 1926844416.

The previous prime is 2031123091. The next prime is 2031123121. The reversal of 2031123103 is 3013211302.

It is a cyclic number.

It is not a de Polignac number, because 2031123103 - 2⁵ = 2031123071 is a prime.

It is a super-2 number, since 2×2031123103² = 8250922119080697218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031123163) 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, 1668351 + ... + 1669567.

It is an arithmetic number, because the mean of its divisors is an integer number (133645050).

Almost surely, 2^2031123103 is an apocalyptic number.

2031123103 is a deficient number, since it is larger than the sum of its proper divisors (107197697).

2031123103 is a wasteful number, since it uses less digits than its factorization.

2031123103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2346.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2031123103 is about 45067.9831254961. The cubic root of 2031123103 is about 1266.4228815309.

Adding to 2031123103 its reverse (3013211302), we get a palindrome (5044334405).

The spelling of 2031123103 in words is "two billion, thirty-one million, one hundred twenty-three thousand, one hundred three".