1031030807843 has 2 divisors, whose sum is σ = 1031030807844. Its totient is φ = 1031030807842.

The previous prime is 1031030807819. The next prime is 1031030807861. The reversal of 1031030807843 is 3487080301301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1031030807843 - 2²⁰ = 1031029759267 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1031030807797 and 1031030807806.

It is not a weakly prime, because it can be changed into another prime (1031030807803) 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, 515515403921 + 515515403922.

It is an arithmetic number, because the mean of its divisors is an integer number (515515403922).

Almost surely, 2^{1031030807843} is an apocalyptic number.

1031030807843 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031030807843 is an equidigital number, since it uses as much as digits as its factorization.

1031030807843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 1031030807843 in words is "one trillion, thirty-one billion, thirty million, eight hundred seven thousand, eight hundred forty-three".