1103031221323 has 2 divisors, whose sum is σ = 1103031221324. Its totient is φ = 1103031221322.

The previous prime is 1103031221293. The next prime is 1103031221359. The reversal of 1103031221323 is 3231221303011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1103031221323 - 2²⁵ = 1102997666891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1103031221294 and 1103031221303.

It is not a weakly prime, because it can be changed into another prime (1103031221423) 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, 551515610661 + 551515610662.

It is an arithmetic number, because the mean of its divisors is an integer number (551515610662).

Almost surely, 2^{1103031221323} is an apocalyptic number.

1103031221323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103031221323 is an equidigital number, since it uses as much as digits as its factorization.

1103031221323 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 22.

Adding to 1103031221323 its reverse (3231221303011), we get a palindrome (4334252524334).

The spelling of 1103031221323 in words is "one trillion, one hundred three billion, thirty-one million, two hundred twenty-one thousand, three hundred twenty-three".