1031242339 has 2 divisors, whose sum is σ = 1031242340. Its totient is φ = 1031242338.

The previous prime is 1031242327. The next prime is 1031242357. The reversal of 1031242339 is 9332421301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1031242339 - 2¹³ = 1031234147 is a prime.

It is not a weakly prime, because it can be changed into another prime (1031242319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515621169 + 515621170.

It is an arithmetic number, because the mean of its divisors is an integer number (515621170).

Almost surely, 2^1031242339 is an apocalyptic number.

1031242339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031242339 is an equidigital number, since it uses as much as digits as its factorization.

1031242339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 1031242339 is about 32112.9621648331. The cubic root of 1031242339 is about 1010.3075033360.

The spelling of 1031242339 in words is "one billion, thirty-one million, two hundred forty-two thousand, three hundred thirty-nine".