321034203031313 has 4 divisors (see below), whose sum is σ = 321035948450100. Its totient is φ = 321032457612528.

The previous prime is 321034203031291. The next prime is 321034203031337. The reversal of 321034203031313 is 313130302430123.

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 103484476343824 + 217549726687489 = 10172732^2 + 14749567^2 .

It is a cyclic number.

It is not a de Polignac number, because 321034203031313 - 2⁸ = 321034203031057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (321034203039313) 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, 872433470 + ... + 872801367.

It is an arithmetic number, because the mean of its divisors is an integer number (80258987112525).

Almost surely, 2^{321034203031313} is an apocalyptic number.

It is an amenable number.

321034203031313 is a deficient number, since it is larger than the sum of its proper divisors (1745418787).

321034203031313 is a wasteful number, since it uses less digits than its factorization.

321034203031313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745418786.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 321034203031313 its reverse (313130302430123), we get a palindrome (634164505461436).

The spelling of 321034203031313 in words is "three hundred twenty-one trillion, thirty-four billion, two hundred three million, thirty-one thousand, three hundred thirteen".