1003111310111 has 2 divisors, whose sum is σ = 1003111310112. Its totient is φ = 1003111310110.

The previous prime is 1003111310087. The next prime is 1003111310119. The reversal of 1003111310111 is 1110131113001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1003111310111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003111310119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501555655055 + 501555655056.

It is an arithmetic number, because the mean of its divisors is an integer number (501555655056).

Almost surely, 2^{1003111310111} is an apocalyptic number.

1003111310111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003111310111 is an equidigital number, since it uses as much as digits as its factorization.

1003111310111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 14.

Adding to 1003111310111 its reverse (1110131113001), we get a palindrome (2113242423112).

The spelling of 1003111310111 in words is "one trillion, three billion, one hundred eleven million, three hundred ten thousand, one hundred eleven".