321200013313133 has 4 divisors (see below), whose sum is σ = 321206106970848. Its totient is φ = 321193919655420.

The previous prime is 321200013313057. The next prime is 321200013313187. The reversal of 321200013313133 is 331313310002123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 321200013313133 - 2¹² = 321200013309037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321200013313033) 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, 3046749791 + ... + 3046855212.

It is an arithmetic number, because the mean of its divisors is an integer number (80301526742712).

Almost surely, 2^{321200013313133} is an apocalyptic number.

It is an amenable number.

321200013313133 is a deficient number, since it is larger than the sum of its proper divisors (6093657715).

321200013313133 is an equidigital number, since it uses as much as digits as its factorization.

321200013313133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6093657714.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 321200013313133 its reverse (331313310002123), we get a palindrome (652513323315256).

The spelling of 321200013313133 in words is "three hundred twenty-one trillion, two hundred billion, thirteen million, three hundred thirteen thousand, one hundred thirty-three".