1103323120331 has 16 divisors (see below), whose sum is σ = 1183911099360. Its totient is φ = 1026250041600.

The previous prime is 1103323120303. The next prime is 1103323120379. The reversal of 1103323120331 is 1330213233011.

It is a cyclic number.

It is not a de Polignac number, because 1103323120331 - 2¹⁰ = 1103323119307 is a prime.

It is a super-2 number, since 2×1103323120331² (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 = 1103323120297 and 1103323120306.

It is not an unprimeable number, because it can be changed into a prime (1103323120381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5969120 + ... + 6151181.

It is an arithmetic number, because the mean of its divisors is an integer number (73994443710).

Almost surely, 2^{1103323120331} is an apocalyptic number.

1103323120331 is a deficient number, since it is larger than the sum of its proper divisors (80587979029).

1103323120331 is a wasteful number, since it uses less digits than its factorization.

1103323120331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12120446.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1103323120331 its reverse (1330213233011), we get a palindrome (2433536353342).

The spelling of 1103323120331 in words is "one trillion, one hundred three billion, three hundred twenty-three million, one hundred twenty thousand, three hundred thirty-one".