6311242039 has 2 divisors, whose sum is σ = 6311242040. Its totient is φ = 6311242038.

The previous prime is 6311242001. The next prime is 6311242057. The reversal of 6311242039 is 9302421136.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6311242039 - 2⁹ = 6311241527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6311242039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6311242339) 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, 3155621019 + 3155621020.

It is an arithmetic number, because the mean of its divisors is an integer number (3155621020).

Almost surely, 2^6311242039 is an apocalyptic number.

6311242039 is a deficient number, since it is larger than the sum of its proper divisors (1).

6311242039 is an equidigital number, since it uses as much as digits as its factorization.

6311242039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 6311242039 is about 79443.3259563067. The cubic root of 6311242039 is about 1848.0126737096.

The spelling of 6311242039 in words is "six billion, three hundred eleven million, two hundred forty-two thousand, thirty-nine".