2131142282 has 4 divisors (see below), whose sum is σ = 3196713426. Its totient is φ = 1065571140.

The previous prime is 2131142281. The next prime is 2131142311. The reversal of 2131142282 is 2822411312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1389723841 + 741418441 = 37279^2 + 27229^2 .

It is a super-2 number, since 2×2131142282² = 9083534852256335048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2131142281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532785569 + ... + 532785572.

Almost surely, 2^2131142282 is an apocalyptic number.

2131142282 is a deficient number, since it is larger than the sum of its proper divisors (1065571144).

2131142282 is a wasteful number, since it uses less digits than its factorization.

2131142282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065571143.

The product of its digits is 1536, while the sum is 26.

The square root of 2131142282 is about 46164.2966154581. The cubic root of 2131142282 is about 1286.8783125074.

Adding to 2131142282 its reverse (2822411312), we get a palindrome (4953553594).

The spelling of 2131142282 in words is "two billion, one hundred thirty-one million, one hundred forty-two thousand, two hundred eighty-two".