2113562303 has 4 divisors (see below), whose sum is σ = 2118333768. Its totient is φ = 2108790840.

The previous prime is 2113562291. The next prime is 2113562309. The reversal of 2113562303 is 3032653112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2113562303 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 (2113562309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2385068 + ... + 2385953.

It is an arithmetic number, because the mean of its divisors is an integer number (529583442).

Almost surely, 2^2113562303 is an apocalyptic number.

2113562303 is a deficient number, since it is larger than the sum of its proper divisors (4771465).

2113562303 is an equidigital number, since it uses as much as digits as its factorization.

2113562303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4771464.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 2113562303 is about 45973.4956578244. The cubic root of 2113562303 is about 1283.3300139042.

It can be divided in two parts, 21135 and 62303, that added together give a palindrome (83438).

The spelling of 2113562303 in words is "two billion, one hundred thirteen million, five hundred sixty-two thousand, three hundred three".