11131023203 has 2 divisors, whose sum is σ = 11131023204. Its totient is φ = 11131023202.

The previous prime is 11131023199. The next prime is 11131023217. The reversal of 11131023203 is 30232013111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11131023203 - 2² = 11131023199 is a prime.

It is not a weakly prime, because it can be changed into another prime (11131023263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565511601 + 5565511602.

It is an arithmetic number, because the mean of its divisors is an integer number (5565511602).

Almost surely, 2^11131023203 is an apocalyptic number.

11131023203 is a deficient number, since it is larger than the sum of its proper divisors (1).

11131023203 is an equidigital number, since it uses as much as digits as its factorization.

11131023203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11131023203 its reverse (30232013111), we get a palindrome (41363036314).

The spelling of 11131023203 in words is "eleven billion, one hundred thirty-one million, twenty-three thousand, two hundred three".