1031805734129 has 2 divisors, whose sum is σ = 1031805734130. Its totient is φ = 1031805734128.

The previous prime is 1031805734081. The next prime is 1031805734137. The reversal of 1031805734129 is 9214375081301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 947017029904 + 84788704225 = 973148^2 + 291185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031805734129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1031805734129.

It is not a weakly prime, because it can be changed into another prime (1031805734189) 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, 515902867064 + 515902867065.

It is an arithmetic number, because the mean of its divisors is an integer number (515902867065).

Almost surely, 2^{1031805734129} is an apocalyptic number.

It is an amenable number.

1031805734129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031805734129 is an equidigital number, since it uses as much as digits as its factorization.

1031805734129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 1031805734129 in words is "one trillion, thirty-one billion, eight hundred five million, seven hundred thirty-four thousand, one hundred twenty-nine".