1103032991 has 2 divisors, whose sum is σ = 1103032992. Its totient is φ = 1103032990.

The previous prime is 1103032967. The next prime is 1103033053. The reversal of 1103032991 is 1992303011.

It is a weak prime.

It is an emirp because it is prime and its reverse (1992303011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1103032991 - 2¹⁰ = 1103031967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103032901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551516495 + 551516496.

It is an arithmetic number, because the mean of its divisors is an integer number (551516496).

Almost surely, 2^1103032991 is an apocalyptic number.

1103032991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103032991 is an equidigital number, since it uses as much as digits as its factorization.

1103032991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 1103032991 is about 33211.9404883244. The cubic root of 1103032991 is about 1033.2280012532.

The spelling of 1103032991 in words is "one billion, one hundred three million, thirty-two thousand, nine hundred ninety-one".