2113410305 has 4 divisors (see below), whose sum is σ = 2536092372. Its totient is φ = 1690728240.

The previous prime is 2113410283. The next prime is 2113410307. The reversal of 2113410305 is 5030143112.

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

It can be written as a sum of positive squares in 2 ways, for example, as 233233984 + 1880176321 = 15272^2 + 43361^2 .

It is not a de Polignac number, because 2113410305 - 2²⁸ = 1844974849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113410307) 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, 211341026 + ... + 211341035.

It is an arithmetic number, because the mean of its divisors is an integer number (634023093).

Almost surely, 2^2113410305 is an apocalyptic number.

It is an amenable number.

2113410305 is a deficient number, since it is larger than the sum of its proper divisors (422682067).

2113410305 is an equidigital number, since it uses as much as digits as its factorization.

2113410305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422682066.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2113410305 is about 45971.8425234404. The cubic root of 2113410305 is about 1283.2992493712.

Adding to 2113410305 its reverse (5030143112), we get a palindrome (7143553417).

The spelling of 2113410305 in words is "two billion, one hundred thirteen million, four hundred ten thousand, three hundred five".