1320034316533 has 4 divisors (see below), whose sum is σ = 1377427112928. Its totient is φ = 1262641520140.

The previous prime is 1320034316507. The next prime is 1320034316539. The reversal of 1320034316533 is 3356134300231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320034316533 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 (1320034316539) 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, 28696398163 + ... + 28696398208.

It is an arithmetic number, because the mean of its divisors is an integer number (344356778232).

Almost surely, 2^{1320034316533} is an apocalyptic number.

It is an amenable number.

1320034316533 is a deficient number, since it is larger than the sum of its proper divisors (57392796395).

1320034316533 is an equidigital number, since it uses as much as digits as its factorization.

1320034316533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57392796394.

The product of its (nonzero) digits is 58320, while the sum is 34.

Adding to 1320034316533 its reverse (3356134300231), we get a palindrome (4676168616764).

The spelling of 1320034316533 in words is "one trillion, three hundred twenty billion, thirty-four million, three hundred sixteen thousand, five hundred thirty-three".