321311323301 has 4 divisors (see below), whose sum is σ = 338222445600. Its totient is φ = 304400201004.

The previous prime is 321311323273. The next prime is 321311323327. The reversal of 321311323301 is 103323113123.

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, and also an emirpimes, since its reverse is a distinct semiprime: 103323113123 = 47 ⋅2198364109.

It is a cyclic number.

It is not a de Polignac number, because 321311323301 - 2¹⁸ = 321311061157 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 (321311323381) 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, 8455561121 + ... + 8455561158.

It is an arithmetic number, because the mean of its divisors is an integer number (84555611400).

Almost surely, 2^321311323301 is an apocalyptic number.

It is an amenable number.

321311323301 is a deficient number, since it is larger than the sum of its proper divisors (16911122299).

321311323301 is a wasteful number, since it uses less digits than its factorization.

321311323301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16911122298.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 321311323301 its reverse (103323113123), we get a palindrome (424634436424).

The spelling of 321311323301 in words is "three hundred twenty-one billion, three hundred eleven million, three hundred twenty-three thousand, three hundred one".