2003312163 has 32 divisors (see below), whose sum is σ = 2819375104. Its totient is φ = 1263600000.

The previous prime is 2003312149. The next prime is 2003312183. The reversal of 2003312163 is 3612133002.

2003312163 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2003312163 - 2¹⁰ = 2003311139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2003312123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1025838 + ... + 1027788.

It is an arithmetic number, because the mean of its divisors is an integer number (88105472).

Almost surely, 2^2003312163 is an apocalyptic number.

2003312163 is a deficient number, since it is larger than the sum of its proper divisors (816062941).

2003312163 is a wasteful number, since it uses less digits than its factorization.

2003312163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 2003312163 is about 44758.3753391474. The cubic root of 2003312163 is about 1260.6161769544.

Adding to 2003312163 its reverse (3612133002), we get a palindrome (5615445165).

The spelling of 2003312163 in words is "two billion, three million, three hundred twelve thousand, one hundred sixty-three".