3131080871 has 2 divisors, whose sum is σ = 3131080872. Its totient is φ = 3131080870.

The previous prime is 3131080847. The next prime is 3131080877. The reversal of 3131080871 is 1780801313.

It is a strong prime.

It is an emirp because it is prime and its reverse (1780801313) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3131080871 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3131080877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565540435 + 1565540436.

It is an arithmetic number, because the mean of its divisors is an integer number (1565540436).

Almost surely, 2^3131080871 is an apocalyptic number.

3131080871 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131080871 is an equidigital number, since it uses as much as digits as its factorization.

3131080871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 3131080871 is about 55956.0619682979. The cubic root of 3131080871 is about 1462.9565519956.

The spelling of 3131080871 in words is "three billion, one hundred thirty-one million, eighty thousand, eight hundred seventy-one".