1331133123303 has 10 divisors (see below), whose sum is σ = 1988482813944. Its totient is φ = 887422082148.

The previous prime is 1331133123269. The next prime is 1331133123323. The reversal of 1331133123303 is 3033213311331.

1331133123303 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 1 + 331 + 23 + 303 = 666.

It is not a de Polignac number, because 1331133123303 - 2⁹ = 1331133122791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331133123323) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8216871051 + ... + 8216871212.

Almost surely, 2^{1331133123303} is an apocalyptic number.

1331133123303 is a deficient number, since it is larger than the sum of its proper divisors (657349690641).

1331133123303 is an equidigital number, since it uses as much as digits as its factorization.

1331133123303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16433742275 (or 16433742266 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 27.

Adding to 1331133123303 its reverse (3033213311331), we get a palindrome (4364346434634).

It can be divided in two parts, 1331133 and 123303, that added together give a square (1454436 = 1206²).

The spelling of 1331133123303 in words is "one trillion, three hundred thirty-one billion, one hundred thirty-three million, one hundred twenty-three thousand, three hundred three".