2101302603 has 24 divisors (see below), whose sum is σ = 3111872400. Its totient is φ = 1365546240.

The previous prime is 2101302589. The next prime is 2101302613. The reversal of 2101302603 is 3062031012.

It is not a de Polignac number, because 2101302603 - 2⁵ = 2101302571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2101302613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 773175 + ... + 775887.

It is an arithmetic number, because the mean of its divisors is an integer number (129661350).

Almost surely, 2^2101302603 is an apocalyptic number.

2101302603 is a deficient number, since it is larger than the sum of its proper divisors (1010569797).

2101302603 is a wasteful number, since it uses less digits than its factorization.

2101302603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4859 (or 4856 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2101302603 is about 45839.9673101978. The cubic root of 2101302603 is about 1280.8438858579.

Adding to 2101302603 its reverse (3062031012), we get a palindrome (5163333615).

It can be divided in two parts, 2101 and 302603, that added together give a square (304704 = 552²).

The spelling of 2101302603 in words is "two billion, one hundred one million, three hundred two thousand, six hundred three".