2003030001 has 48 divisors (see below), whose sum is σ = 3421716480. Its totient is φ = 1104922080.

The previous prime is 2003029997. The next prime is 2003030017. The reversal of 2003030001 is 1000303002.

It is a happy number.

It is not a de Polignac number, because 2003030001 - 2² = 2003029997 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (2003030801) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 981340 + ... + 983378.

It is an arithmetic number, because the mean of its divisors is an integer number (71285760).

Almost surely, 2^2003030001 is an apocalyptic number.

2003030001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2003030001 is a deficient number, since it is larger than the sum of its proper divisors (1418686479).

2003030001 is a wasteful number, since it uses less digits than its factorization.

2003030001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586 (or 2583 counting only the distinct ones).

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

The square root of 2003030001 is about 44755.2231700390. The cubic root of 2003030001 is about 1260.5569891936.

Adding to 2003030001 its reverse (1000303002), we get a palindrome (3003333003).

The spelling of 2003030001 in words is "two billion, three million, thirty thousand, one".