1131020003203 has 2 divisors, whose sum is σ = 1131020003204. Its totient is φ = 1131020003202.

The previous prime is 1131020003171. The next prime is 1131020003209. The reversal of 1131020003203 is 3023000201311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1131020003203 - 2⁵ = 1131020003171 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131020003209) 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, 565510001601 + 565510001602.

It is an arithmetic number, because the mean of its divisors is an integer number (565510001602).

Almost surely, 2^{1131020003203} is an apocalyptic number.

1131020003203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131020003203 is an equidigital number, since it uses as much as digits as its factorization.

1131020003203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1131020003203 its reverse (3023000201311), we get a palindrome (4154020204514).

The spelling of 1131020003203 in words is "one trillion, one hundred thirty-one billion, twenty million, three thousand, two hundred three".