3111144031 has 4 divisors (see below), whose sum is σ = 3117329712. Its totient is φ = 3104958352.

The previous prime is 3111143993. The next prime is 3111144067. The reversal of 3111144031 is 1304411113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3111144031 is a prime.

It is a super-2 number, since 2×3111144031² = 19358434363253857922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111145031) 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 3 ways as a sum of consecutive naturals, for example, 3092086 + ... + 3093091.

It is an arithmetic number, because the mean of its divisors is an integer number (779332428).

Almost surely, 2^3111144031 is an apocalyptic number.

3111144031 is a deficient number, since it is larger than the sum of its proper divisors (6185681).

3111144031 is an equidigital number, since it uses as much as digits as its factorization.

3111144031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6185680.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 3111144031 is about 55777.6302024387. The cubic root of 3111144031 is about 1459.8448623236.

Adding to 3111144031 its reverse (1304411113), we get a palindrome (4415555144).

The spelling of 3111144031 in words is "three billion, one hundred eleven million, one hundred forty-four thousand, thirty-one".