2213131124 has 6 divisors (see below), whose sum is σ = 3872979474. Its totient is φ = 1106565560.

The previous prime is 2213131117. The next prime is 2213131133. The reversal of 2213131124 is 4211313122.

It can be written as a sum of positive squares in only one way, i.e., 1141223524 + 1071907600 = 33782^2 + 32740^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2213131096 and 2213131105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276641387 + ... + 276641394.

It is an arithmetic number, because the mean of its divisors is an integer number (645496579).

Almost surely, 2^2213131124 is an apocalyptic number.

It is an amenable number.

2213131124 is a deficient number, since it is larger than the sum of its proper divisors (1659848350).

2213131124 is a wasteful number, since it uses less digits than its factorization.

2213131124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553282785 (or 553282783 counting only the distinct ones).

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

The square root of 2213131124 is about 47043.9275996382. The cubic root of 2213131124 is about 1303.1739258748.

Adding to 2213131124 its reverse (4211313122), we get a palindrome (6424444246).

The spelling of 2213131124 in words is "two billion, two hundred thirteen million, one hundred thirty-one thousand, one hundred twenty-four".