2113153344 has 84 divisors (see below), whose sum is σ = 6125176980. Its totient is φ = 696453120.

The previous prime is 2113153327. The next prime is 2113153369. The reversal of 2113153344 is 4433513112.

It is a happy number.

2113153344 is a `hidden beast` number, since 2 + 1 + 1 + 315 + 3 + 344 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 373262400 + 1739890944 = 19320^2 + 41712^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30654 + ... + 71874.

Almost surely, 2^2113153344 is an apocalyptic number.

2113153344 is a gapful number since it is divisible by the number (24) 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 2113153344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3062588490).

2113153344 is an abundant number, since it is smaller than the sum of its proper divisors (4012023636).

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

2113153344 is a wasteful number, since it uses less digits than its factorization.

2113153344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41328 (or 41315 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 2113153344 is about 45969.0476734074. The cubic root of 2113153344 is about 1283.2472368770.

Adding to 2113153344 its reverse (4433513112), we get a palindrome (6546666456).

The spelling of 2113153344 in words is "two billion, one hundred thirteen million, one hundred fifty-three thousand, three hundred forty-four".