1320331230203 has 16 divisors (see below), whose sum is σ = 1379595732480. Its totient is φ = 1261222463424.

The previous prime is 1320331230181. The next prime is 1320331230247. The reversal of 1320331230203 is 3020321330231.

It is a cyclic number.

It is not a de Polignac number, because 1320331230203 - 2¹² = 1320331226107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320331230503) 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 15 ways as a sum of consecutive naturals, for example, 96940928 + ... + 96954546.

It is an arithmetic number, because the mean of its divisors is an integer number (86224733280).

Almost surely, 2^{1320331230203} is an apocalyptic number.

1320331230203 is a deficient number, since it is larger than the sum of its proper divisors (59264502277).

1320331230203 is a wasteful number, since it uses less digits than its factorization.

1320331230203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19018.

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

Adding to 1320331230203 its reverse (3020321330231), we get a palindrome (4340652560434).

The spelling of 1320331230203 in words is "one trillion, three hundred twenty billion, three hundred thirty-one million, two hundred thirty thousand, two hundred three".