1103223112331 has 2 divisors, whose sum is σ = 1103223112332. Its totient is φ = 1103223112330.

The previous prime is 1103223112291. The next prime is 1103223112333. The reversal of 1103223112331 is 1332113223011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1103223112331 - 2³⁰ = 1102149370507 is a prime.

It is a super-2 number, since 2×1103223112331² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 1103223112333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1103223112297 and 1103223112306.

It is not a weakly prime, because it can be changed into another prime (1103223112333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551611556165 + 551611556166.

It is an arithmetic number, because the mean of its divisors is an integer number (551611556166).

Almost surely, 2^{1103223112331} is an apocalyptic number.

1103223112331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103223112331 is an equidigital number, since it uses as much as digits as its factorization.

1103223112331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1103223112331 its reverse (1332113223011), we get a palindrome (2435336335342).

The spelling of 1103223112331 in words is "one trillion, one hundred three billion, two hundred twenty-three million, one hundred twelve thousand, three hundred thirty-one".