1131011011303 has 2 divisors, whose sum is σ = 1131011011304. Its totient is φ = 1131011011302.

The previous prime is 1131011011283. The next prime is 1131011011373. The reversal of 1131011011303 is 3031101101311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131011011303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131011011373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565505505651 + 565505505652.

It is an arithmetic number, because the mean of its divisors is an integer number (565505505652).

Almost surely, 2^{1131011011303} is an apocalyptic number.

1131011011303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131011011303 is an equidigital number, since it uses as much as digits as its factorization.

1131011011303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 1131011011303 its reverse (3031101101311), we get a palindrome (4162112112614).

The spelling of 1131011011303 in words is "one trillion, one hundred thirty-one billion, eleven million, eleven thousand, three hundred three".