2131203232 has 48 divisors (see below), whose sum is σ = 4469411520. Its totient is φ = 996871168.

The previous prime is 2131203187. The next prime is 2131203241. The reversal of 2131203232 is 2323021312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79119 + ... + 102577.

It is an arithmetic number, because the mean of its divisors is an integer number (93112740).

Almost surely, 2^2131203232 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 2131203232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2234705760).

2131203232 is an abundant number, since it is smaller than the sum of its proper divisors (2338208288).

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

2131203232 is a wasteful number, since it uses less digits than its factorization.

2131203232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23653 (or 23645 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2131203232 is about 46164.9567529311. The cubic root of 2131203232 is about 1286.8905804956.

Adding to 2131203232 its reverse (2323021312), we get a palindrome (4454224544).

The spelling of 2131203232 in words is "two billion, one hundred thirty-one million, two hundred three thousand, two hundred thirty-two".