3111312010312 has 32 divisors (see below), whose sum is σ = 6374889047520. Its totient is φ = 1411823453440.

The previous prime is 3111312010259. The next prime is 3111312010327. The reversal of 3111312010312 is 2130102131113.

It is a self number, because there is not a number n which added to its sum of digits gives 3111312010312.

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, 30064033 + ... + 30167344.

It is an arithmetic number, because the mean of its divisors is an integer number (199215282735).

Almost surely, 2^{3111312010312} is an apocalyptic number.

It is an amenable number.

3111312010312 is an abundant number, since it is smaller than the sum of its proper divisors (3263577037208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3111312010312 is a wasteful number, since it uses less digits than its factorization.

3111312010312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60231981 (or 60231977 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 3111312010312 its reverse (2130102131113), we get a palindrome (5241414141425).

The spelling of 3111312010312 in words is "three trillion, one hundred eleven billion, three hundred twelve million, ten thousand, three hundred twelve".