3141307861 has 2 divisors, whose sum is σ = 3141307862. Its totient is φ = 3141307860.

The previous prime is 3141307859. The next prime is 3141307891. The reversal of 3141307861 is 1687031413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2045300625 + 1096007236 = 45225^2 + 33106^2 .

It is a cyclic number.

It is not a de Polignac number, because 3141307861 - 2¹ = 3141307859 is a prime.

Together with 3141307859, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3141307831) 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 as a sum of consecutive naturals, namely, 1570653930 + 1570653931.

It is an arithmetic number, because the mean of its divisors is an integer number (1570653931).

Almost surely, 2^3141307861 is an apocalyptic number.

It is an amenable number.

3141307861 is a deficient number, since it is larger than the sum of its proper divisors (1).

3141307861 is an equidigital number, since it uses as much as digits as its factorization.

3141307861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 3141307861 is about 56047.3715797628. The cubic root of 3141307861 is about 1464.5476300180.

The spelling of 3141307861 in words is "three billion, one hundred forty-one million, three hundred seven thousand, eight hundred sixty-one".