321031323201 has 4 divisors (see below), whose sum is σ = 428041764272. Its totient is φ = 214020882132.

The previous prime is 321031323187. The next prime is 321031323233. The reversal of 321031323201 is 102323130123.

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 not a de Polignac number, because 321031323201 - 2⁵ = 321031323169 is a prime.

It is a super-2 number, since 2×321031323201² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321031328201) 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, 53505220531 + ... + 53505220536.

It is an arithmetic number, because the mean of its divisors is an integer number (107010441068).

Almost surely, 2^321031323201 is an apocalyptic number.

It is an amenable number.

321031323201 is a deficient number, since it is larger than the sum of its proper divisors (107010441071).

321031323201 is a wasteful number, since it uses less digits than its factorization.

321031323201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107010441070.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 321031323201 its reverse (102323130123), we get a palindrome (423354453324).

The spelling of 321031323201 in words is "three hundred twenty-one billion, thirty-one million, three hundred twenty-three thousand, two hundred one".