1123320330031 has 4 divisors (see below), whose sum is σ = 1128357641152. Its totient is φ = 1118283018912.

The previous prime is 1123320330017. The next prime is 1123320330047. The reversal of 1123320330031 is 1300330233211.

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 1123320330031 - 2⁷ = 1123320329903 is a prime.

It is a super-2 number, since 2×1123320330031² (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 = 1123320329984 and 1123320330011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123320330001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2518655226 + ... + 2518655671.

It is an arithmetic number, because the mean of its divisors is an integer number (282089410288).

Almost surely, 2^{1123320330031} is an apocalyptic number.

1123320330031 is a deficient number, since it is larger than the sum of its proper divisors (5037311121).

1123320330031 is an equidigital number, since it uses as much as digits as its factorization.

1123320330031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037311120.

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

Adding to 1123320330031 its reverse (1300330233211), we get a palindrome (2423650563242).

The spelling of 1123320330031 in words is "one trillion, one hundred twenty-three billion, three hundred twenty million, three hundred thirty thousand, thirty-one".