1330331320523 has 2 divisors, whose sum is σ = 1330331320524. Its totient is φ = 1330331320522.

The previous prime is 1330331320501. The next prime is 1330331320529. The reversal of 1330331320523 is 3250231330331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1330331320523 - 2⁶ = 1330331320459 is a prime.

It is not a weakly prime, because it can be changed into another prime (1330331320529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665165660261 + 665165660262.

It is an arithmetic number, because the mean of its divisors is an integer number (665165660262).

Almost surely, 2^{1330331320523} is an apocalyptic number.

1330331320523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330331320523 is an equidigital number, since it uses as much as digits as its factorization.

1330331320523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 29.

Adding to 1330331320523 its reverse (3250231330331), we get a palindrome (4580562650854).

The spelling of 1330331320523 in words is "one trillion, three hundred thirty billion, three hundred thirty-one million, three hundred twenty thousand, five hundred twenty-three".