3111021312321 has 16 divisors (see below), whose sum is σ = 4467877908480. Its totient is φ = 1914144489600.

The previous prime is 3111021312307. The next prime is 3111021312337. The reversal of 3111021312321 is 1232131201113.

3111021312321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3111021312321 - 2¹⁰ = 3111021311297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3111021312341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6649281 + ... + 7101758.

It is an arithmetic number, because the mean of its divisors is an integer number (279242369280).

Almost surely, 2^{3111021312321} is an apocalyptic number.

It is an amenable number.

3111021312321 is a deficient number, since it is larger than the sum of its proper divisors (1356856596159).

3111021312321 is a wasteful number, since it uses less digits than its factorization.

3111021312321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13756856.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 3111021312321 its reverse (1232131201113), we get a palindrome (4343152513434).

The spelling of 3111021312321 in words is "three trillion, one hundred eleven billion, twenty-one million, three hundred twelve thousand, three hundred twenty-one".