2113050513 has 16 divisors (see below), whose sum is σ = 3409292160. Its totient is φ = 1136430336.

The previous prime is 2113050509. The next prime is 2113050517. The reversal of 2113050513 is 3150503112.

It is an interprime number because it is at equal distance from previous prime (2113050509) and next prime (2113050517).

It is not a de Polignac number, because 2113050513 - 2² = 2113050509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2113050513.

It is not an unprimeable number, because it can be changed into a prime (2113050517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2959098 + ... + 2959811.

It is an arithmetic number, because the mean of its divisors is an integer number (213080760).

Almost surely, 2^2113050513 is an apocalyptic number.

It is an amenable number.

2113050513 is a deficient number, since it is larger than the sum of its proper divisors (1296241647).

2113050513 is a wasteful number, since it uses less digits than its factorization.

2113050513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5918936.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 2113050513 is about 45967.9291789395. The cubic root of 2113050513 is about 1283.2264212655.

Adding to 2113050513 its reverse (3150503112), we get a palindrome (5263553625).

The spelling of 2113050513 in words is "two billion, one hundred thirteen million, fifty thousand, five hundred thirteen".