1031544100009 has 2 divisors, whose sum is σ = 1031544100010. Its totient is φ = 1031544100008.

The previous prime is 1031544099991. The next prime is 1031544100073. The reversal of 1031544100009 is 9000014451301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1023328490409 + 8215609600 = 1011597^2 + 90640^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031544100009 - 2⁷ = 1031544099881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1031544100009.

It is not a weakly prime, because it can be changed into another prime (1031544101009) 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, 515772050004 + 515772050005.

It is an arithmetic number, because the mean of its divisors is an integer number (515772050005).

Almost surely, 2^{1031544100009} is an apocalyptic number.

It is an amenable number.

1031544100009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031544100009 is an equidigital number, since it uses as much as digits as its factorization.

1031544100009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 1031544100009 in words is "one trillion, thirty-one billion, five hundred forty-four million, one hundred thousand, nine".