2131142224 has 20 divisors (see below), whose sum is σ = 4131811936. Its totient is φ = 1064868192.

The previous prime is 2131142171. The next prime is 2131142249. The reversal of 2131142224 is 4222411312.

It is a junction number, because it is equal to n+sod(n) for n = 2131142195 and 2131142204.

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, 18474 + ... + 67849.

Almost surely, 2^2131142224 is an apocalyptic number.

It is an amenable number.

2131142224 is a deficient number, since it is larger than the sum of its proper divisors (2000669712).

2131142224 is a wasteful number, since it uses less digits than its factorization.

2131142224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87874 (or 87868 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 2131142224 is about 46164.2959872670. The cubic root of 2131142224 is about 1286.8783008331.

Adding to 2131142224 its reverse (4222411312), we get a palindrome (6353553536).

The spelling of 2131142224 in words is "two billion, one hundred thirty-one million, one hundred forty-two thousand, two hundred twenty-four".