1003220330857 has 2 divisors, whose sum is σ = 1003220330858. Its totient is φ = 1003220330856.

The previous prime is 1003220330843. The next prime is 1003220330887. The reversal of 1003220330857 is 7580330223001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 908168974441 + 95051356416 = 952979^2 + 308304^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003220330857 - 2³⁵ = 968860592489 is a prime.

It is not a weakly prime, because it can be changed into another prime (1003220330887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501610165428 + 501610165429.

It is an arithmetic number, because the mean of its divisors is an integer number (501610165429).

Almost surely, 2^{1003220330857} is an apocalyptic number.

It is an amenable number.

1003220330857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003220330857 is an equidigital number, since it uses as much as digits as its factorization.

1003220330857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

Adding to 1003220330857 its reverse (7580330223001), we get a palindrome (8583550553858).

The spelling of 1003220330857 in words is "one trillion, three billion, two hundred twenty million, three hundred thirty thousand, eight hundred fifty-seven".