2113330340 has 72 divisors (see below), whose sum is σ = 5046504120. Its totient is φ = 741959680.

The previous prime is 2113330319. The next prime is 2113330379. The reversal of 2113330340 is 430333112.

It can be written as a sum of positive squares in 4 ways, for example, as 661415524 + 1451914816 = 25718^2 + 38104^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55124 + ... + 85236.

It is an arithmetic number, because the mean of its divisors is an integer number (70090335).

Almost surely, 2^2113330340 is an apocalyptic number.

2113330340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2113330340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2523252060).

2113330340 is an abundant number, since it is smaller than the sum of its proper divisors (2933173780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2113330340 is a wasteful number, since it uses less digits than its factorization.

2113330340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30173 (or 30160 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2113330340 is about 45970.9727980603. The cubic root of 2113330340 is about 1283.2830637906.

Adding to 2113330340 its reverse (430333112), we get a palindrome (2543663452).

The spelling of 2113330340 in words is "two billion, one hundred thirteen million, three hundred thirty thousand, three hundred forty".