2002013103 has 4 divisors (see below), whose sum is σ = 2669350808. Its totient is φ = 1334675400.

The previous prime is 2002013099. The next prime is 2002013113. The reversal of 2002013103 is 3013102002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2002013103 - 2² = 2002013099 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 (2002013113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333668848 + ... + 333668853.

It is an arithmetic number, because the mean of its divisors is an integer number (667337702).

Almost surely, 2^2002013103 is an apocalyptic number.

2002013103 is a deficient number, since it is larger than the sum of its proper divisors (667337705).

2002013103 is an equidigital number, since it uses as much as digits as its factorization.

2002013103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667337704.

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

The square root of 2002013103 is about 44743.8610649550. The cubic root of 2002013103 is about 1260.3436332835.

Adding to 2002013103 its reverse (3013102002), we get a palindrome (5015115105).

The spelling of 2002013103 in words is "two billion, two million, thirteen thousand, one hundred three".