3131116943 has 4 divisors (see below), whose sum is σ = 3131679408. Its totient is φ = 3130554480.

The previous prime is 3131116883. The next prime is 3131116981. The reversal of 3131116943 is 3496111313.

3131116943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3131116943 - 2⁸ = 3131116687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131116243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272798 + ... + 284043.

It is an arithmetic number, because the mean of its divisors is an integer number (782919852).

Almost surely, 2^3131116943 is an apocalyptic number.

3131116943 is a deficient number, since it is larger than the sum of its proper divisors (562465).

3131116943 is an equidigital number, since it uses as much as digits as its factorization.

3131116943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562464.

The product of its digits is 5832, while the sum is 32.

The square root of 3131116943 is about 55956.3842916963. The cubic root of 3131116943 is about 1462.9621700306.

The spelling of 3131116943 in words is "three billion, one hundred thirty-one million, one hundred sixteen thousand, nine hundred forty-three".