2113400343 has 16 divisors (see below), whose sum is σ = 2968560000. Its totient is φ = 1333706400.

The previous prime is 2113400279. The next prime is 2113400347. The reversal of 2113400343 is 3430043112.

It is not a de Polignac number, because 2113400343 - 2⁶ = 2113400279 is a prime.

It is a super-2 number, since 2×2113400343² = 8932922019585035298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113400347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59908 + ... + 88406.

It is an arithmetic number, because the mean of its divisors is an integer number (185535000).

Almost surely, 2^2113400343 is an apocalyptic number.

2113400343 is a deficient number, since it is larger than the sum of its proper divisors (855159657).

2113400343 is a wasteful number, since it uses less digits than its factorization.

2113400343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29822.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2113400343 is about 45971.7341743815. The cubic root of 2113400343 is about 1283.2972330019.

Adding to 2113400343 its reverse (3430043112), we get a palindrome (5543443455).

The spelling of 2113400343 in words is "two billion, one hundred thirteen million, four hundred thousand, three hundred forty-three".