3118538143 has 6 divisors (see below), whose sum is σ = 3564212456. Its totient is φ = 2672906052.

The previous prime is 3118538141. The next prime is 3118538147. The reversal of 3118538143 is 3418358113.

It is not a de Polignac number, because 3118538143 - 2¹ = 3118538141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3118538141) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 137196 + ... + 158302.

Almost surely, 2^3118538143 is an apocalyptic number.

3118538143 is a deficient number, since it is larger than the sum of its proper divisors (445674313).

3118538143 is an frugal number, since it uses more digits than its factorization.

3118538143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42221 (or 21114 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 3118538143 is about 55843.8729226403. The cubic root of 3118538143 is about 1461.0004625548. Note that the first 3 decimals are identical.

The spelling of 3118538143 in words is "three billion, one hundred eighteen million, five hundred thirty-eight thousand, one hundred forty-three".