2113220313 has 16 divisors (see below), whose sum is σ = 3133827840. Its totient is φ = 1407404592.

The previous prime is 2113220303. The next prime is 2113220321. The reversal of 2113220313 is 3130223112.

It is not a de Polignac number, because 2113220313 - 2¹⁶ = 2113154777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2113220303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11281 + ... + 65982.

It is an arithmetic number, because the mean of its divisors is an integer number (195864240).

Almost surely, 2^2113220313 is an apocalyptic number.

It is an amenable number.

2113220313 is a deficient number, since it is larger than the sum of its proper divisors (1020607527).

2113220313 is a wasteful number, since it uses less digits than its factorization.

2113220313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78285 (or 78279 counting only the distinct ones).

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

The square root of 2113220313 is about 45969.7760816822. The cubic root of 2113220313 is about 1283.2607927438.

Adding to 2113220313 its reverse (3130223112), we get a palindrome (5243443425).

The spelling of 2113220313 in words is "two billion, one hundred thirteen million, two hundred twenty thousand, three hundred thirteen".