2113133232 has 120 divisors (see below), whose sum is σ = 6365525616. Its totient is φ = 602294784.

The previous prime is 2113133213. The next prime is 2113133237. The reversal of 2113133232 is 2323313112.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2113133199 and 2113133208.

It is not an unprimeable number, because it can be changed into a prime (2113133237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1309258 + ... + 1310870.

Almost surely, 2^2113133232 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 2113133232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3182762808).

2113133232 is an abundant number, since it is smaller than the sum of its proper divisors (4252392384).

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

2113133232 is a wasteful number, since it uses less digits than its factorization.

2113133232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195 (or 2182 counting only the distinct ones).

The product of its digits is 648, while the sum is 21.

The square root of 2113133232 is about 45968.8289169955. The cubic root of 2113133232 is about 1283.2431657494.

Adding to 2113133232 its reverse (2323313112), we get a palindrome (4436446344).

The spelling of 2113133232 in words is "two billion, one hundred thirteen million, one hundred thirty-three thousand, two hundred thirty-two".