2113034345 has 4 divisors (see below), whose sum is σ = 2535641220. Its totient is φ = 1690427472.

The previous prime is 2113034321. The next prime is 2113034353. The reversal of 2113034345 is 5434303112.

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 421521961 + 1691512384 = 20531^2 + 41128^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113034345 - 2⁶ = 2113034281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211303430 + ... + 211303439.

It is an arithmetic number, because the mean of its divisors is an integer number (633910305).

Almost surely, 2^2113034345 is an apocalyptic number.

It is an amenable number.

2113034345 is a deficient number, since it is larger than the sum of its proper divisors (422606875).

2113034345 is an equidigital number, since it uses as much as digits as its factorization.

2113034345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422606874.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2113034345 is about 45967.7533168633. The cubic root of 2113034345 is about 1283.2231483893.

Adding to 2113034345 its reverse (5434303112), we get a palindrome (7547337457).

The spelling of 2113034345 in words is "two billion, one hundred thirteen million, thirty-four thousand, three hundred forty-five".