1320433002331 has 4 divisors (see below), whose sum is σ = 1320441318952. Its totient is φ = 1320424685712.

The previous prime is 1320433002323. The next prime is 1320433002359. The reversal of 1320433002331 is 1332003340231.

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 1320433002331 - 2³ = 1320433002323 is a prime.

It is a super-2 number, since 2×1320433002331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320433002296 and 1320433002305.

It is not an unprimeable number, because it can be changed into a prime (1320433002431) 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, 3915426 + ... + 4239271.

It is an arithmetic number, because the mean of its divisors is an integer number (330110329738).

Almost surely, 2^{1320433002331} is an apocalyptic number.

1320433002331 is a deficient number, since it is larger than the sum of its proper divisors (8316621).

1320433002331 is an equidigital number, since it uses as much as digits as its factorization.

1320433002331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8316620.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 1320433002331 its reverse (1332003340231), we get a palindrome (2652436342562).

The spelling of 1320433002331 in words is "one trillion, three hundred twenty billion, four hundred thirty-three million, two thousand, three hundred thirty-one".