2102030312103 has 6 divisors (see below), whose sum is σ = 3036266006384. Its totient is φ = 1401353541396.

The previous prime is 2102030312059. The next prime is 2102030312117. The reversal of 2102030312103 is 3012130302012.

It is not a de Polignac number, because 2102030312103 - 2²⁶ = 2101963203239 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 (2102030382103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116779461775 + ... + 116779461792.

Almost surely, 2^{2102030312103} is an apocalyptic number.

2102030312103 is a deficient number, since it is larger than the sum of its proper divisors (934235694281).

2102030312103 is a wasteful number, since it uses less digits than its factorization.

2102030312103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233558923573 (or 233558923570 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2102030312103 its reverse (3012130302012), we get a palindrome (5114160614115).

The spelling of 2102030312103 in words is "two trillion, one hundred two billion, thirty million, three hundred twelve thousand, one hundred three".