1320433033331 has 2 divisors, whose sum is σ = 1320433033332. Its totient is φ = 1320433033330.

The previous prime is 1320433033321. The next prime is 1320433033351. The reversal of 1320433033331 is 1333303340231.

It is a weak prime.

It is an emirp because it is prime and its reverse (1333303340231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1320433033331 - 2²² = 1320428839027 is a prime.

It is a super-2 number, since 2×1320433033331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1320433033294 and 1320433033303.

It is not a weakly prime, because it can be changed into another prime (1320433033321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660216516665 + 660216516666.

It is an arithmetic number, because the mean of its divisors is an integer number (660216516666).

Almost surely, 2^{1320433033331} is an apocalyptic number.

1320433033331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320433033331 is an equidigital number, since it uses as much as digits as its factorization.

1320433033331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 29.

Adding to 1320433033331 its reverse (1333303340231), we get a palindrome (2653736373562).

The spelling of 1320433033331 in words is "one trillion, three hundred twenty billion, four hundred thirty-three million, thirty-three thousand, three hundred thirty-one".