2031220103 has 12 divisors (see below), whose sum is σ = 2280173280. Its totient is φ = 1807270080.

The previous prime is 2031220063. The next prime is 2031220127. The reversal of 2031220103 is 3010221302.

It is a happy number.

It is not a de Polignac number, because 2031220103 - 2³⁰ = 957478279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031220003) 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 11 ways as a sum of consecutive naturals, for example, 172898 + ... + 184271.

It is an arithmetic number, because the mean of its divisors is an integer number (190014440).

Almost surely, 2^2031220103 is an apocalyptic number.

2031220103 is a deficient number, since it is larger than the sum of its proper divisors (248953177).

2031220103 is a wasteful number, since it uses less digits than its factorization.

2031220103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357238 (or 357227 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2031220103 is about 45069.0592646441. The cubic root of 2031220103 is about 1266.4430413239.

Adding to 2031220103 its reverse (3010221302), we get a palindrome (5041441405).

The spelling of 2031220103 in words is "two billion, thirty-one million, two hundred twenty thousand, one hundred three".