321240313111204 has 6 divisors (see below), whose sum is σ = 562170547944614. Its totient is φ = 160620156555600.

The previous prime is 321240313111183. The next prime is 321240313111219. The reversal of 321240313111204 is 402111313042123.

It can be written as a sum of positive squares in only one way, i.e., 231436829450304 + 89803483660900 = 15213048^2 + 9476470^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40155039138897 + ... + 40155039138904.

Almost surely, 2^{321240313111204} is an apocalyptic number.

It is an amenable number.

321240313111204 is a deficient number, since it is larger than the sum of its proper divisors (240930234833410).

321240313111204 is a wasteful number, since it uses less digits than its factorization.

321240313111204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80310078277805 (or 80310078277803 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 321240313111204 its reverse (402111313042123), we get a palindrome (723351626153327).

The spelling of 321240313111204 in words is "three hundred twenty-one trillion, two hundred forty billion, three hundred thirteen million, one hundred eleven thousand, two hundred four".