6988123131 has 8 divisors (see below), whose sum is σ = 10164542784. Its totient is φ = 4235226120.

The previous prime is 6988123117. The next prime is 6988123133. The reversal of 6988123131 is 1313218896.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6988123131 - 2¹⁸ = 6987860987 is a prime.

It is a super-2 number, since 2×6988123131² = 97667729788034486322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6988123133) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 105880621 + ... + 105880686.

It is an arithmetic number, because the mean of its divisors is an integer number (1270567848).

Almost surely, 2^6988123131 is an apocalyptic number.

6988123131 is a deficient number, since it is larger than the sum of its proper divisors (3176419653).

6988123131 is a wasteful number, since it uses less digits than its factorization.

6988123131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211761321.

The product of its digits is 62208, while the sum is 42.

The square root of 6988123131 is about 83594.9946527901. The cubic root of 6988123131 is about 1911.8486830284.

The spelling of 6988123131 in words is "six billion, nine hundred eighty-eight million, one hundred twenty-three thousand, one hundred thirty-one".