1330320545311 has 4 divisors (see below), whose sum is σ = 1330324276824. Its totient is φ = 1330316813800.

The previous prime is 1330320545299. The next prime is 1330320545339. The reversal of 1330320545311 is 1135450230331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1330320545311 - 2⁹ = 1330320544799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330320548311) 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, 1266925 + ... + 2065366.

It is an arithmetic number, because the mean of its divisors is an integer number (332581069206).

Almost surely, 2^{1330320545311} is an apocalyptic number.

1330320545311 is a deficient number, since it is larger than the sum of its proper divisors (3731513).

1330320545311 is an equidigital number, since it uses as much as digits as its factorization.

1330320545311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3731512.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 1330320545311 its reverse (1135450230331), we get a palindrome (2465770775642).

The spelling of 1330320545311 in words is "one trillion, three hundred thirty billion, three hundred twenty million, five hundred forty-five thousand, three hundred eleven".