6631143122 has 18 divisors (see below), whose sum is σ = 10101237687. Its totient is φ = 3264842700.

The previous prime is 6631143109. The next prime is 6631143139. The reversal of 6631143122 is 2213411366.

It can be written as a sum of positive squares in only one way, i.e., 3315571561 + 3315571561 = 57581^2 + 57581^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=57581.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8176097 + ... + 8176907.

Almost surely, 2^6631143122 is an apocalyptic number.

6631143122 is a deficient number, since it is larger than the sum of its proper divisors (3470094565).

6631143122 is an frugal number, since it uses more digits than its factorization.

6631143122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766 (or 884 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 6631143122 is about 81431.8311350052. The cubic root of 6631143122 is about 1878.7232090105.

Adding to 6631143122 its reverse (2213411366), we get a palindrome (8844554488).

The spelling of 6631143122 in words is "six billion, six hundred thirty-one million, one hundred forty-three thousand, one hundred twenty-two".