2111343234 has 128 divisors (see below), whose sum is σ = 5726343168. Its totient is φ = 501154560.

The previous prime is 2111343233. The next prime is 2111343263. The reversal of 2111343234 is 4323431112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2111343233) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 616912 + ... + 620324.

It is an arithmetic number, because the mean of its divisors is an integer number (44737056).

Almost surely, 2^2111343234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2111343234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2863171584).

2111343234 is an abundant number, since it is smaller than the sum of its proper divisors (3614999934).

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

2111343234 is a wasteful number, since it uses less digits than its factorization.

2111343234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3552.

The product of its digits is 1728, while the sum is 24.

The square root of 2111343234 is about 45949.3550988477. The cubic root of 2111343234 is about 1282.8807258183.

Adding to 2111343234 its reverse (4323431112), we get a palindrome (6434774346).

The spelling of 2111343234 in words is "two billion, one hundred eleven million, three hundred forty-three thousand, two hundred thirty-four".