3131116443 has 24 divisors (see below), whose sum is σ = 5566430688. Its totient is φ = 1651577472.

The previous prime is 3131116441. The next prime is 3131116481. The reversal of 3131116443 is 3446111313.

3131116443 is a `hidden beast` number, since 3 + 1 + 3 + 1 + 11 + 644 + 3 = 666.

3131116443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3131116443 - 2¹ = 3131116441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3131116441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1910730 + ... + 1912367.

It is an arithmetic number, because the mean of its divisors is an integer number (231934612).

Almost surely, 2^3131116443 is an apocalyptic number.

3131116443 is a deficient number, since it is larger than the sum of its proper divisors (2435314245).

3131116443 is a wasteful number, since it uses less digits than its factorization.

3131116443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823123 (or 3823120 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 3131116443 is about 55956.3798239307. The cubic root of 3131116443 is about 1462.9620921584.

Adding to 3131116443 its reverse (3446111313), we get a palindrome (6577227756).

The spelling of 3131116443 in words is "three billion, one hundred thirty-one million, one hundred sixteen thousand, four hundred forty-three".