2113432304 has 80 divisors (see below), whose sum is σ = 4376505600. Its totient is φ = 986775552.

The previous prime is 2113432247. The next prime is 2113432357. The reversal of 2113432304 is 4032343112.

It is a super-2 number, since 2×2113432304² = 8933192207181496832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2113432304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4411937 + ... + 4412415.

It is an arithmetic number, because the mean of its divisors is an integer number (54706320).

Almost surely, 2^2113432304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2113432304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2188252800).

2113432304 is an abundant number, since it is smaller than the sum of its proper divisors (2263073296).

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

2113432304 is a wasteful number, since it uses less digits than its factorization.

2113432304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2113432304 is about 45972.0817888422. The cubic root of 2113432304 is about 1283.3037020800.

Adding to 2113432304 its reverse (4032343112), we get a palindrome (6145775416).

The spelling of 2113432304 in words is "two billion, one hundred thirteen million, four hundred thirty-two thousand, three hundred four".