1100103311 has 2 divisors, whose sum is σ = 1100103312. Its totient is φ = 1100103310.

The previous prime is 1100103289. The next prime is 1100103343. The reversal of 1100103311 is 1133010011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100103311 - 2⁶ = 1100103247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1100103292 and 1100103301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100103611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550051655 + 550051656.

It is an arithmetic number, because the mean of its divisors is an integer number (550051656).

Almost surely, 2^1100103311 is an apocalyptic number.

1100103311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100103311 is an equidigital number, since it uses as much as digits as its factorization.

1100103311 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 11.

The square root of 1100103311 is about 33167.8053389126. The cubic root of 1100103311 is about 1032.3124313814.

Adding to 1100103311 its reverse (1133010011), we get a palindrome (2233113322).

The spelling of 1100103311 in words is "one billion, one hundred million, one hundred three thousand, three hundred eleven".