1202331023321 has 4 divisors (see below), whose sum is σ = 1273056377652. Its totient is φ = 1131605668992.

The previous prime is 1202331023297. The next prime is 1202331023347. The reversal of 1202331023321 is 1233201332021.

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 841173294025 + 361157729296 = 917155^2 + 600964^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202331023321 - 2²⁶ = 1202263914457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202331025321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35362677140 + ... + 35362677173.

It is an arithmetic number, because the mean of its divisors is an integer number (318264094413).

Almost surely, 2^{1202331023321} is an apocalyptic number.

It is an amenable number.

1202331023321 is a deficient number, since it is larger than the sum of its proper divisors (70725354331).

1202331023321 is an equidigital number, since it uses as much as digits as its factorization.

1202331023321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70725354330.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1202331023321 its reverse (1233201332021), we get a palindrome (2435532355342).

The spelling of 1202331023321 in words is "one trillion, two hundred two billion, three hundred thirty-one million, twenty-three thousand, three hundred twenty-one".