1031203321039 has 2 divisors, whose sum is σ = 1031203321040. Its totient is φ = 1031203321038.

The previous prime is 1031203321013. The next prime is 1031203321063. The reversal of 1031203321039 is 9301233021301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1031203321039 - 2⁹ = 1031203320527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1031203320998 and 1031203321016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031203321009) 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, 515601660519 + 515601660520.

It is an arithmetic number, because the mean of its divisors is an integer number (515601660520).

Almost surely, 2^{1031203321039} is an apocalyptic number.

1031203321039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031203321039 is an equidigital number, since it uses as much as digits as its factorization.

1031203321039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 1031203321039 in words is "one trillion, thirty-one billion, two hundred three million, three hundred twenty-one thousand, thirty-nine".