2331742087 has 2 divisors, whose sum is σ = 2331742088. Its totient is φ = 2331742086.

The previous prime is 2331742081. The next prime is 2331742099. The reversal of 2331742087 is 7802471332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2331742087 - 2³ = 2331742079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2331742081) 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, 1165871043 + 1165871044.

It is an arithmetic number, because the mean of its divisors is an integer number (1165871044).

Almost surely, 2^2331742087 is an apocalyptic number.

2331742087 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331742087 is an equidigital number, since it uses as much as digits as its factorization.

2331742087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 2331742087 is about 48288.1153804950. The cubic root of 2331742087 is about 1326.0508264390.

The spelling of 2331742087 in words is "two billion, three hundred thirty-one million, seven hundred forty-two thousand, eighty-seven".