2003010030 has 96 divisors (see below), whose sum is σ = 6049487808. Its totient is φ = 450316800.

The previous prime is 2003010013. The next prime is 2003010067. The reversal of 2003010030 is 300103002.

2003010030 = 22376² + 22377² + ... + 22379².

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2003009994 and 2003010021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12370 + ... + 64490.

It is an arithmetic number, because the mean of its divisors is an integer number (63015498).

Almost surely, 2^2003010030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2003010030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3024743904).

2003010030 is an abundant number, since it is smaller than the sum of its proper divisors (4046477778).

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

2003010030 is a wasteful number, since it uses less digits than its factorization.

2003010030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52202 (or 52199 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 2003010030 is about 44755.0000558597. Note that the first 4 decimals coincide. The cubic root of 2003010030 is about 1260.5527997628.

Adding to 2003010030 its reverse (300103002), we get a palindrome (2303113032).

The spelling of 2003010030 in words is "two billion, three million, ten thousand, thirty".