1320031243433 has 16 divisors (see below), whose sum is σ = 1514452402176. Its totient is φ = 1127079567360.

The previous prime is 1320031243393. The next prime is 1320031243507. The reversal of 1320031243433 is 3343421300231.

It is a cyclic number.

It is not a de Polignac number, because 1320031243433 - 2¹² = 1320031239337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320031243396 and 1320031243405.

It is not an unprimeable number, because it can be changed into a prime (1320031248433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1603160 + ... + 2282582.

It is an arithmetic number, because the mean of its divisors is an integer number (94653275136).

Almost surely, 2^{1320031243433} is an apocalyptic number.

It is an amenable number.

1320031243433 is a deficient number, since it is larger than the sum of its proper divisors (194421158743).

1320031243433 is an equidigital number, since it uses as much as digits as its factorization.

1320031243433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680504.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 1320031243433 its reverse (3343421300231), we get a palindrome (4663452543664).

The spelling of 1320031243433 in words is "one trillion, three hundred twenty billion, thirty-one million, two hundred forty-three thousand, four hundred thirty-three".