2101303243 has 12 divisors (see below), whose sum is σ = 2318317200. Its totient is φ = 1903058976.

The previous prime is 2101303181. The next prime is 2101303247. The reversal of 2101303243 is 3423031012.

It is not a de Polignac number, because 2101303243 - 2¹³ = 2101295051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2101303243.

It is not an unprimeable number, because it can be changed into a prime (2101303247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108343 + ... + 126256.

It is an arithmetic number, because the mean of its divisors is an integer number (193193100).

Almost surely, 2^2101303243 is an apocalyptic number.

2101303243 is a deficient number, since it is larger than the sum of its proper divisors (217013957).

2101303243 is a wasteful number, since it uses less digits than its factorization.

2101303243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234678 (or 234665 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2101303243 is about 45839.9742910050. The cubic root of 2101303243 is about 1280.8440158947.

Adding to 2101303243 its reverse (3423031012), we get a palindrome (5524334255).

The spelling of 2101303243 in words is "two billion, one hundred one million, three hundred three thousand, two hundred forty-three".