11031133103 has 2 divisors, whose sum is σ = 11031133104. Its totient is φ = 11031133102.

The previous prime is 11031133079. The next prime is 11031133133. The reversal of 11031133103 is 30133113011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11031133103 is a prime.

It is a super-2 number, since 2×11031133103² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11031133133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515566551 + 5515566552.

It is an arithmetic number, because the mean of its divisors is an integer number (5515566552).

Almost surely, 2^11031133103 is an apocalyptic number.

11031133103 is a deficient number, since it is larger than the sum of its proper divisors (1).

11031133103 is an equidigital number, since it uses as much as digits as its factorization.

11031133103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 11031133103 its reverse (30133113011), we get a palindrome (41164246114).

The spelling of 11031133103 in words is "eleven billion, thirty-one million, one hundred thirty-three thousand, one hundred three".