1331320223233 has 72 divisors (see below), whose sum is σ = 1812184584000. Its totient is φ = 956937421440.

The previous prime is 1331320223221. The next prime is 1331320223251. The reversal of 1331320223233 is 3323220231331.

It is not a de Polignac number, because 1331320223233 - 2⁵ = 1331320223201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1331320223203) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 324789418 + ... + 324793516.

Almost surely, 2^{1331320223233} is an apocalyptic number.

1331320223233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1331320223233 is a deficient number, since it is larger than the sum of its proper divisors (480864360767).

1331320223233 is a wasteful number, since it uses less digits than its factorization.

1331320223233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6423 (or 6399 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 1331320223233 its reverse (3323220231331), we get a palindrome (4654540454564).

The spelling of 1331320223233 in words is "one trillion, three hundred thirty-one billion, three hundred twenty million, two hundred twenty-three thousand, two hundred thirty-three".