1103031323 has 4 divisors (see below), whose sum is σ = 1129934568. Its totient is φ = 1076128080.

The previous prime is 1103031317. The next prime is 1103031331. The reversal of 1103031323 is 3231303011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3231303011 = 31 ⋅104235581.

It is a cyclic number.

It is not a de Polignac number, because 1103031323 - 2⁸ = 1103031067 is a prime.

It is a super-3 number, since 3×1103031323³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103031623) 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 in 3 ways as a sum of consecutive naturals, for example, 13451561 + ... + 13451642.

It is an arithmetic number, because the mean of its divisors is an integer number (282483642).

Almost surely, 2^1103031323 is an apocalyptic number.

1103031323 is a deficient number, since it is larger than the sum of its proper divisors (26903245).

1103031323 is an equidigital number, since it uses as much as digits as its factorization.

1103031323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26903244.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1103031323 is about 33211.9153768644. The cubic root of 1103031323 is about 1033.2274804392.

Adding to 1103031323 its reverse (3231303011), we get a palindrome (4334334334).

The spelling of 1103031323 in words is "one billion, one hundred three million, thirty-one thousand, three hundred twenty-three".