2113613303 has 4 divisors (see below), whose sum is σ = 2114320608. Its totient is φ = 2112906000.

The previous prime is 2113613291. The next prime is 2113613317. The reversal of 2113613303 is 3033163112.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2113613303 - 2⁴ = 2113613287 is a prime.

It is a super-2 number, since 2×2113613303² = 8934722389237139618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113613323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349151 + ... + 355152.

It is an arithmetic number, because the mean of its divisors is an integer number (528580152).

Almost surely, 2^2113613303 is an apocalyptic number.

2113613303 is a deficient number, since it is larger than the sum of its proper divisors (707305).

2113613303 is an equidigital number, since it uses as much as digits as its factorization.

2113613303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707304.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 2113613303 is about 45974.0503218935. The cubic root of 2113613303 is about 1283.3403360200.

Adding to 2113613303 its reverse (3033163112), we get a palindrome (5146776415).

The spelling of 2113613303 in words is "two billion, one hundred thirteen million, six hundred thirteen thousand, three hundred three".