1320030321311 has 32 divisors (see below), whose sum is σ = 1503310448640. Its totient is φ = 1149027669504.

The previous prime is 1320030321287. The next prime is 1320030321353. The reversal of 1320030321311 is 1131230300231.

It is not a de Polignac number, because 1320030321311 - 2³⁸ = 1045152414367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320030326311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86195591 + ... + 86210903.

It is an arithmetic number, because the mean of its divisors is an integer number (46978451520).

Almost surely, 2^{1320030321311} is an apocalyptic number.

1320030321311 is a deficient number, since it is larger than the sum of its proper divisors (183280127329).

1320030321311 is a wasteful number, since it uses less digits than its factorization.

1320030321311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16935.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1320030321311 its reverse (1131230300231), we get a palindrome (2451260621542).

The spelling of 1320030321311 in words is "one trillion, three hundred twenty billion, thirty million, three hundred twenty-one thousand, three hundred eleven".