1103323220231 has 4 divisors (see below), whose sum is σ = 1103389411152. Its totient is φ = 1103257029312.

The previous prime is 1103323220213. The next prime is 1103323220273. The reversal of 1103323220231 is 1320223233011.

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 1103323220231 - 2¹⁴ = 1103323203847 is a prime.

It is a super-2 number, since 2×1103323220231² (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 = 1103323220197 and 1103323220206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103323220431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33070451 + ... + 33103796.

It is an arithmetic number, because the mean of its divisors is an integer number (275847352788).

Almost surely, 2^{1103323220231} is an apocalyptic number.

1103323220231 is a deficient number, since it is larger than the sum of its proper divisors (66190921).

1103323220231 is an equidigital number, since it uses as much as digits as its factorization.

1103323220231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66190920.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1103323220231 its reverse (1320223233011), we get a palindrome (2423546453242).

The spelling of 1103323220231 in words is "one trillion, one hundred three billion, three hundred twenty-three million, two hundred twenty thousand, two hundred thirty-one".