1103231326 has 4 divisors (see below), whose sum is σ = 1654846992. Its totient is φ = 551615662.

The previous prime is 1103231309. The next prime is 1103231341. The reversal of 1103231326 is 6231323011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6231323011 = 19 ⋅327964369.

It is a junction number, because it is equal to n+sod(n) for n = 1103231297 and 1103231306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275807830 + ... + 275807833.

It is an arithmetic number, because the mean of its divisors is an integer number (413711748).

Almost surely, 2^1103231326 is an apocalyptic number.

1103231326 is a deficient number, since it is larger than the sum of its proper divisors (551615666).

1103231326 is an equidigital number, since it uses as much as digits as its factorization.

1103231326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551615665.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1103231326 is about 33214.9262531170. The cubic root of 1103231326 is about 1033.2899253589.

Adding to 1103231326 its reverse (6231323011), we get a palindrome (7334554337).

The spelling of 1103231326 in words is "one billion, one hundred three million, two hundred thirty-one thousand, three hundred twenty-six".