2113131224 has 16 divisors (see below), whose sum is σ = 4021258200. Its totient is φ = 1040795712.

The previous prime is 2113131199. The next prime is 2113131257. The reversal of 2113131224 is 4221313112.

It is a junction number, because it is equal to n+sod(n) for n = 2113131196 and 2113131205.

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, 1970669 + ... + 1971740.

Almost surely, 2^2113131224 is an apocalyptic number.

It is an amenable number.

2113131224 is a deficient number, since it is larger than the sum of its proper divisors (1908126976).

2113131224 is a wasteful number, since it uses less digits than its factorization.

2113131224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942482 (or 3942478 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 2113131224 is about 45968.8070761032. The cubic root of 2113131224 is about 1283.2427592830.

Adding to 2113131224 its reverse (4221313112), we get a palindrome (6334444336).

The spelling of 2113131224 in words is "two billion, one hundred thirteen million, one hundred thirty-one thousand, two hundred twenty-four".