2031120103 has 4 divisors (see below), whose sum is σ = 2033485480. Its totient is φ = 2028754728.

The previous prime is 2031120089. The next prime is 2031120107. The reversal of 2031120103 is 3010211302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2031120103 - 2⁵ = 2031120071 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 (2031120107) 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, 1181400 + ... + 1183117.

It is an arithmetic number, because the mean of its divisors is an integer number (508371370).

Almost surely, 2^2031120103 is an apocalyptic number.

2031120103 is a deficient number, since it is larger than the sum of its proper divisors (2365377).

2031120103 is an equidigital number, since it uses as much as digits as its factorization.

2031120103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365376.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2031120103 is about 45067.9498424324. The cubic root of 2031120103 is about 1266.4222580219.

Adding to 2031120103 its reverse (3010211302), we get a palindrome (5041331405).

The spelling of 2031120103 in words is "two billion, thirty-one million, one hundred twenty thousand, one hundred three".