2003100001 has 16 divisors (see below), whose sum is σ = 2300352768. Its totient is φ = 1708646400.

The previous prime is 2003099993. The next prime is 2003100017. The reversal of 2003100001 is 1000013002.

It is a cyclic number.

It is not a de Polignac number, because 2003100001 - 2³ = 2003099993 is a prime.

It is a super-2 number, since 2×2003100001² = 8024819228012400002, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is not an unprimeable number, because it can be changed into a prime (2003100401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1942356 + ... + 1943386.

It is an arithmetic number, because the mean of its divisors is an integer number (143772048).

Almost surely, 2^2003100001 is an apocalyptic number.

It is an amenable number.

2003100001 is a deficient number, since it is larger than the sum of its proper divisors (297252767).

2003100001 is a wasteful number, since it uses less digits than its factorization.

2003100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 2003100001 is about 44756.0051948339. The cubic root of 2003100001 is about 1260.5716732741.

Adding to 2003100001 its reverse (1000013002), we get a palindrome (3003113003).

The spelling of 2003100001 in words is "two billion, three million, one hundred thousand, one".