2131122232 has 16 divisors (see below), whose sum is σ = 4206162600. Its totient is φ = 1009478880.

The previous prime is 2131122229. The next prime is 2131122241. The reversal of 2131122232 is 2322211312.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7010119 + ... + 7010422.

Almost surely, 2^2131122232 is an apocalyptic number.

It is an amenable number.

2131122232 is a deficient number, since it is larger than the sum of its proper divisors (2075040368).

2131122232 is a wasteful number, since it uses less digits than its factorization.

2131122232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14020566 (or 14020562 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 2131122232 is about 46164.0794557847. The cubic root of 2131122232 is about 1286.8742768014.

Adding to 2131122232 its reverse (2322211312), we get a palindrome (4453333544).

The spelling of 2131122232 in words is "two billion, one hundred thirty-one million, one hundred twenty-two thousand, two hundred thirty-two".