2133231120 has 80 divisors (see below), whose sum is σ = 7347803520. Its totient is φ = 568861056.

The previous prime is 2133231109. The next prime is 2133231169. The reversal of 2133231120 is 211323312.

2133231120 is a `hidden beast` number, since 2 + 1 + 332 + 311 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×2133231120² = 9101350022672908800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2133231093 and 2133231102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491644 + ... + 495963.

It is an arithmetic number, because the mean of its divisors is an integer number (91847544).

Almost surely, 2^2133231120 is an apocalyptic number.

2133231120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2133231120 is an abundant number, since it is smaller than the sum of its proper divisors (5214572400).

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

2133231120 is a wasteful number, since it uses less digits than its factorization.

2133231120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987629 (or 987617 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2133231120 is about 46186.9150301251. The cubic root of 2133231120 is about 1287.2986195857.

Adding to 2133231120 its reverse (211323312), we get a palindrome (2344554432).

The spelling of 2133231120 in words is "two billion, one hundred thirty-three million, two hundred thirty-one thousand, one hundred twenty".