321223434002311 has 4 divisors (see below), whose sum is σ = 340118930120112. Its totient is φ = 302327937884512.

The previous prime is 321223434002297. The next prime is 321223434002321. The reversal of 321223434002311 is 113200434322123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 321223434002311 - 2⁷ = 321223434002183 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 (321223434002321) 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, 9447748058875 + ... + 9447748058908.

It is an arithmetic number, because the mean of its divisors is an integer number (85029732530028).

Almost surely, 2^{321223434002311} is an apocalyptic number.

321223434002311 is a deficient number, since it is larger than the sum of its proper divisors (18895496117801).

321223434002311 is a wasteful number, since it uses less digits than its factorization.

321223434002311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18895496117800.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 321223434002311 its reverse (113200434322123), we get a palindrome (434423868324434).

The spelling of 321223434002311 in words is "three hundred twenty-one trillion, two hundred twenty-three billion, four hundred thirty-four million, two thousand, three hundred eleven".