321214440311311 has 4 divisors (see below), whose sum is σ = 322240684529872. Its totient is φ = 320188196092752.

The previous prime is 321214440311299. The next prime is 321214440311371. The reversal of 321214440311311 is 113113044412123.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321214440311311 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 (321214440311371) 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, 513122108811 + ... + 513122109436.

It is an arithmetic number, because the mean of its divisors is an integer number (80560171132468).

Almost surely, 2^{321214440311311} is an apocalyptic number.

321214440311311 is a deficient number, since it is larger than the sum of its proper divisors (1026244218561).

321214440311311 is a wasteful number, since it uses less digits than its factorization.

321214440311311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026244218560.

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 321214440311311 its reverse (113113044412123), we get a palindrome (434327484723434).

The spelling of 321214440311311 in words is "three hundred twenty-one trillion, two hundred fourteen billion, four hundred forty million, three hundred eleven thousand, three hundred eleven".