321023301013 has 4 divisors (see below), whose sum is σ = 339907024620. Its totient is φ = 302139577408.

The previous prime is 321023300981. The next prime is 321023301023. The reversal of 321023301013 is 310103320123.

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 274331870289 + 46691430724 = 523767^2 + 216082^2 .

It is a cyclic number.

It is not a de Polignac number, because 321023301013 - 2⁵ = 321023300981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321023301023) 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, 9441861778 + ... + 9441861811.

It is an arithmetic number, because the mean of its divisors is an integer number (84976756155).

Almost surely, 2^321023301013 is an apocalyptic number.

It is an amenable number.

321023301013 is a deficient number, since it is larger than the sum of its proper divisors (18883723607).

321023301013 is a wasteful number, since it uses less digits than its factorization.

321023301013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18883723606.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 321023301013 its reverse (310103320123), we get a palindrome (631126621136).

The spelling of 321023301013 in words is "three hundred twenty-one billion, twenty-three million, three hundred one thousand, thirteen".