2113351344 has 320 divisors, whose sum is σ = 6888448000. Its totient is φ = 615859200.

The previous prime is 2113351337. The next prime is 2113351411. The reversal of 2113351344 is 4431533112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10619757 + ... + 10619955.

It is an arithmetic number, because the mean of its divisors is an integer number (21526400).

Almost surely, 2^2113351344 is an apocalyptic number.

2113351344 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 2113351344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3444224000).

2113351344 is an abundant number, since it is smaller than the sum of its proper divisors (4775096656).

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

2113351344 is a wasteful number, since it uses less digits than its factorization.

2113351344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 309 counting only the distinct ones).

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

The square root of 2113351344 is about 45971.2012459975. The cubic root of 2113351344 is about 1283.2873152143.

Adding to 2113351344 its reverse (4431533112), we get a palindrome (6544884456).

The spelling of 2113351344 in words is "two billion, one hundred thirteen million, three hundred fifty-one thousand, three hundred forty-four".