1011003231103 has 2 divisors, whose sum is σ = 1011003231104. Its totient is φ = 1011003231102.

The previous prime is 1011003231097. The next prime is 1011003231169. The reversal of 1011003231103 is 3011323001101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011003231103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011003211103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505501615551 + 505501615552.

It is an arithmetic number, because the mean of its divisors is an integer number (505501615552).

Almost surely, 2^{1011003231103} is an apocalyptic number.

1011003231103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011003231103 is an equidigital number, since it uses as much as digits as its factorization.

1011003231103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1011003231103 its reverse (3011323001101), we get a palindrome (4022326232204).

The spelling of 1011003231103 in words is "one trillion, eleven billion, three million, two hundred thirty-one thousand, one hundred three".