3111200323312 has 80 divisors (see below), whose sum is σ = 6301364686848. Its totient is φ = 1486416798720.

The previous prime is 3111200323261. The next prime is 3111200323391. The reversal of 3111200323312 is 2133230021113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14635093 + ... + 14846155.

Almost surely, 2^{3111200323312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3111200323312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3150682343424).

3111200323312 is an abundant number, since it is smaller than the sum of its proper divisors (3190164363536).

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

3111200323312 is a wasteful number, since it uses less digits than its factorization.

3111200323312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211478 (or 211472 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 3111200323312 its reverse (2133230021113), we get a palindrome (5244430344425).

The spelling of 3111200323312 in words is "three trillion, one hundred eleven billion, two hundred million, three hundred twenty-three thousand, three hundred twelve".