2331861671 has 2 divisors, whose sum is σ = 2331861672. Its totient is φ = 2331861670.

The previous prime is 2331861641. The next prime is 2331861683. The reversal of 2331861671 is 1761681332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2331861671 - 2⁶ = 2331861607 is a prime.

It is a super-3 number, since 3×2331861671³ (a number of 29 digits) contains 333 as substring.

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 (2331861641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165930835 + 1165930836.

It is an arithmetic number, because the mean of its divisors is an integer number (1165930836).

Almost surely, 2^2331861671 is an apocalyptic number.

2331861671 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331861671 is an equidigital number, since it uses as much as digits as its factorization.

2331861671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 2331861671 is about 48289.3535989042. The cubic root of 2331861671 is about 1326.0734950054.

The spelling of 2331861671 in words is "two billion, three hundred thirty-one million, eight hundred sixty-one thousand, six hundred seventy-one".