2103012030 has 128 divisors (see below), whose sum is σ = 6123755520. Its totient is φ = 451215360.

The previous prime is 2103012029. The next prime is 2103012071. The reversal of 2103012030 is 302103012.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2103011997 and 2103012015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2287911 + ... + 2288829.

It is an arithmetic number, because the mean of its divisors is an integer number (47841840).

Almost surely, 2^2103012030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2103012030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3061877760).

2103012030 is an abundant number, since it is smaller than the sum of its proper divisors (4020743490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2103012030 is a wasteful number, since it uses less digits than its factorization.

2103012030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2103012030 is about 45858.6091154104. The cubic root of 2103012030 is about 1281.1911174050.

Adding to 2103012030 its reverse (302103012), we get a palindrome (2405115042).

The spelling of 2103012030 in words is "two billion, one hundred three million, twelve thousand, thirty".