311221321211014 has 16 divisors (see below), whose sum is σ = 468694165617216. Its totient is φ = 154989938745000.

The previous prime is 311221321210951. The next prime is 311221321211063. The reversal of 311221321211014 is 410112123122113.

It is a self number, because there is not a number n which added to its sum of digits gives 311221321211014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109105729 + ... + 111921859.

It is an arithmetic number, because the mean of its divisors is an integer number (29293385351076).

Almost surely, 2^{311221321211014} is an apocalyptic number.

311221321211014 is a deficient number, since it is larger than the sum of its proper divisors (157472844406202).

311221321211014 is a wasteful number, since it uses less digits than its factorization.

311221321211014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036531.

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 311221321211014 its reverse (410112123122113), we get a palindrome (721333444333127).

The spelling of 311221321211014 in words is "three hundred eleven trillion, two hundred twenty-one billion, three hundred twenty-one million, two hundred eleven thousand, fourteen".