2131321132 has 12 divisors (see below), whose sum is σ = 3730369720. Its totient is φ = 1065501216.

The previous prime is 2131321111. The next prime is 2131321169. The reversal of 2131321132 is 2311231312.

It is a super-2 number, since 2×2131321132² = 9085059535419522848, which contains 22 as substring.

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, 6678 + ... + 65629.

Almost surely, 2^2131321132 is an apocalyptic number.

It is an amenable number.

2131321132 is a deficient number, since it is larger than the sum of its proper divisors (1599048588).

2131321132 is a wasteful number, since it uses less digits than its factorization.

2131321132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79680 (or 79678 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 2131321132 is about 46166.2336778733. The cubic root of 2131321132 is about 1286.9143106902.

Adding to 2131321132 its reverse (2311231312), we get a palindrome (4442552444).

The spelling of 2131321132 in words is "two billion, one hundred thirty-one million, three hundred twenty-one thousand, one hundred thirty-two".