1103321311 has 2 divisors, whose sum is σ = 1103321312. Its totient is φ = 1103321310.

The previous prime is 1103321281. The next prime is 1103321383. The reversal of 1103321311 is 1131233011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1103321311 - 2⁷ = 1103321183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103321411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551660655 + 551660656.

It is an arithmetic number, because the mean of its divisors is an integer number (551660656).

Almost surely, 2^1103321311 is an apocalyptic number.

1103321311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103321311 is an equidigital number, since it uses as much as digits as its factorization.

1103321311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1103321311 is about 33216.2808122764. The cubic root of 1103321311 is about 1033.3180180063.

Adding to 1103321311 its reverse (1131233011), we get a palindrome (2234554322).

The spelling of 1103321311 in words is "one billion, one hundred three million, three hundred twenty-one thousand, three hundred eleven".