1031102042239 has 2 divisors, whose sum is σ = 1031102042240. Its totient is φ = 1031102042238.

The previous prime is 1031102042209. The next prime is 1031102042297. The reversal of 1031102042239 is 9322402011301.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1031102042239 - 2⁵ = 1031102042207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031102042209) 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, 515551021119 + 515551021120.

It is an arithmetic number, because the mean of its divisors is an integer number (515551021120).

Almost surely, 2^{1031102042239} is an apocalyptic number.

1031102042239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031102042239 is an equidigital number, since it uses as much as digits as its factorization.

1031102042239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 1031102042239 in words is "one trillion, thirty-one billion, one hundred two million, forty-two thousand, two hundred thirty-nine".