1123031331303 has 16 divisors (see below), whose sum is σ = 1712105879040. Its totient is φ = 641424674016.

The previous prime is 1123031331223. The next prime is 1123031331313. The reversal of 1123031331303 is 3031331303211.

It is not a de Polignac number, because 1123031331303 - 2⁹ = 1123031330791 is a prime.

It is a super-2 number, since 2×1123031331303² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123031331313) 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, 12768268 + ... + 12855921.

It is an arithmetic number, because the mean of its divisors is an integer number (107006617440).

Almost surely, 2^{1123031331303} is an apocalyptic number.

1123031331303 is a deficient number, since it is larger than the sum of its proper divisors (589074547737).

1123031331303 is a wasteful number, since it uses less digits than its factorization.

1123031331303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25626286.

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 1123031331303 its reverse (3031331303211), we get a palindrome (4154362634514).

The spelling of 1123031331303 in words is "one trillion, one hundred twenty-three billion, thirty-one million, three hundred thirty-one thousand, three hundred three".