1123332303031 has 4 divisors (see below), whose sum is σ = 1123379310600. Its totient is φ = 1123285295464.

The previous prime is 1123332302951. The next prime is 1123332303047. The reversal of 1123332303031 is 1303032333211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123332303031 is a prime.

It is a super-2 number, since 2×1123332303031² (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 = 1123332302987 and 1123332303005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123332333031) 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, 23467921 + ... + 23515738.

It is an arithmetic number, because the mean of its divisors is an integer number (280844827650).

Almost surely, 2^{1123332303031} is an apocalyptic number.

1123332303031 is a deficient number, since it is larger than the sum of its proper divisors (47007569).

1123332303031 is an equidigital number, since it uses as much as digits as its factorization.

1123332303031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47007568.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 1123332303031 its reverse (1303032333211), we get a palindrome (2426364636242).

The spelling of 1123332303031 in words is "one trillion, one hundred twenty-three billion, three hundred thirty-two million, three hundred three thousand, thirty-one".