1331244323323 has 2 divisors, whose sum is σ = 1331244323324. Its totient is φ = 1331244323322.

The previous prime is 1331244323303. The next prime is 1331244323341. The reversal of 1331244323323 is 3233234421331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1331244323323 - 2¹⁷ = 1331244192251 is a prime.

It is a super-2 number, since 2×1331244323323² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1331244323303) 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 as a sum of consecutive naturals, namely, 665622161661 + 665622161662.

It is an arithmetic number, because the mean of its divisors is an integer number (665622161662).

Almost surely, 2^{1331244323323} is an apocalyptic number.

1331244323323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331244323323 is an equidigital number, since it uses as much as digits as its factorization.

1331244323323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 34.

Adding to 1331244323323 its reverse (3233234421331), we get a palindrome (4564478744654).

The spelling of 1331244323323 in words is "one trillion, three hundred thirty-one billion, two hundred forty-four million, three hundred twenty-three thousand, three hundred twenty-three".