321111112002311 has 8 divisors (see below), whose sum is σ = 321687136773600. Its totient is φ = 320535220385952.

The previous prime is 321111112002299. The next prime is 321111112002337. The reversal of 321111112002311 is 113200211111123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321111112002311 is a prime.

It is a super-2 number, since 2×321111112002311² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321111112008311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28460660 + ... + 38108153.

It is an arithmetic number, because the mean of its divisors is an integer number (40210892096700).

Almost surely, 2^{321111112002311} is an apocalyptic number.

321111112002311 is a deficient number, since it is larger than the sum of its proper divisors (576024771289).

321111112002311 is an equidigital number, since it uses as much as digits as its factorization.

321111112002311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66577465.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 321111112002311 its reverse (113200211111123), we get a palindrome (434311323113434).

The spelling of 321111112002311 in words is "three hundred twenty-one trillion, one hundred eleven billion, one hundred twelve million, two thousand, three hundred eleven".