3111244143 has 8 divisors (see below), whose sum is σ = 4740943488. Its totient is φ = 1777853784.

The previous prime is 3111244141. The next prime is 3111244153. The reversal of 3111244143 is 3414421113.

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

It is not a de Polignac number, because 3111244143 - 2¹ = 3111244141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111244141) 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 7 ways as a sum of consecutive naturals, for example, 74077221 + ... + 74077262.

It is an arithmetic number, because the mean of its divisors is an integer number (592617936).

Almost surely, 2^3111244143 is an apocalyptic number.

3111244143 is a deficient number, since it is larger than the sum of its proper divisors (1629699345).

3111244143 is a wasteful number, since it uses less digits than its factorization.

3111244143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148154493.

The product of its digits is 1152, while the sum is 24.

The square root of 3111244143 is about 55778.5276159204. The cubic root of 3111244143 is about 1459.8605207031.

Adding to 3111244143 its reverse (3414421113), we get a palindrome (6525665256).

The spelling of 3111244143 in words is "three billion, one hundred eleven million, two hundred forty-four thousand, one hundred forty-three".