1103323023031 has 4 divisors (see below), whose sum is σ = 1133142564232. Its totient is φ = 1073503481832.

The previous prime is 1103323023013. The next prime is 1103323023041. The reversal of 1103323023031 is 1303203233011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1103323023031 - 2²⁵ = 1103289468599 is a prime.

It is a super-2 number, since 2×1103323023031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103323022993 and 1103323023011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103323023041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14909770545 + ... + 14909770618.

It is an arithmetic number, because the mean of its divisors is an integer number (283285641058).

Almost surely, 2^{1103323023031} is an apocalyptic number.

1103323023031 is a deficient number, since it is larger than the sum of its proper divisors (29819541201).

1103323023031 is an equidigital number, since it uses as much as digits as its factorization.

1103323023031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29819541200.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1103323023031 its reverse (1303203233011), we get a palindrome (2406526256042).

The spelling of 1103323023031 in words is "one trillion, one hundred three billion, three hundred twenty-three million, twenty-three thousand, thirty-one".