1103132321 has 2 divisors, whose sum is σ = 1103132322. Its totient is φ = 1103132320.

The previous prime is 1103132299. The next prime is 1103132351. The reversal of 1103132321 is 1232313011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 707560000 + 395572321 = 26600^2 + 19889^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103132321 - 2¹⁰ = 1103131297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1103132321.

It is not a weakly prime, because it can be changed into another prime (1103132351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551566160 + 551566161.

It is an arithmetic number, because the mean of its divisors is an integer number (551566161).

Almost surely, 2^1103132321 is an apocalyptic number.

It is an amenable number.

1103132321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103132321 is an equidigital number, since it uses as much as digits as its factorization.

1103132321 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.

The square root of 1103132321 is about 33213.4358505711. The cubic root of 1103132321 is about 1033.2590149696.

Adding to 1103132321 its reverse (1232313011), we get a palindrome (2335445332).

The spelling of 1103132321 in words is "one billion, one hundred three million, one hundred thirty-two thousand, three hundred twenty-one".