1320031322033 has 4 divisors (see below), whose sum is σ = 1321914391668. Its totient is φ = 1318148252400.

The previous prime is 1320031322017. The next prime is 1320031322053. The reversal of 1320031322033 is 3302231300231.

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

It can be written as a sum of positive squares in 2 ways, for example, as 897780885169 + 422250436864 = 947513^2 + 649808^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320031322033 - 2⁴ = 1320031322017 is a prime.

It is a super-2 number, since 2×1320031322033² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320031322053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 941533766 + ... + 941535167.

It is an arithmetic number, because the mean of its divisors is an integer number (330478597917).

Almost surely, 2^{1320031322033} is an apocalyptic number.

It is an amenable number.

1320031322033 is a deficient number, since it is larger than the sum of its proper divisors (1883069635).

1320031322033 is an equidigital number, since it uses as much as digits as its factorization.

1320031322033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883069634.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 1320031322033 its reverse (3302231300231), we get a palindrome (4622262622264).

The spelling of 1320031322033 in words is "one trillion, three hundred twenty billion, thirty-one million, three hundred twenty-two thousand, thirty-three".