2113331312 has 80 divisors (see below), whose sum is σ = 4285118592. Its totient is φ = 1008967680.

The previous prime is 2113331293. The next prime is 2113331317. The reversal of 2113331312 is 2131333112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113331317) 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, 7520612 + ... + 7520892.

Almost surely, 2^2113331312 is an apocalyptic number.

It is an amenable number.

2113331312 is an abundant number, since it is smaller than the sum of its proper divisors (2171787280).

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

2113331312 is a wasteful number, since it uses less digits than its factorization.

2113331312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 540 counting only the distinct ones).

The product of its digits is 324, while the sum is 20.

The square root of 2113331312 is about 45970.9833699476. The cubic root of 2113331312 is about 1283.2832605339.

Adding to 2113331312 its reverse (2131333112), we get a palindrome (4244664424).

The spelling of 2113331312 in words is "two billion, one hundred thirteen million, three hundred thirty-one thousand, three hundred twelve".