2113011312 has 20 divisors (see below), whose sum is σ = 5458612680. Its totient is φ = 704337088.

The previous prime is 2113011287. The next prime is 2113011377. The reversal of 2113011312 is 2131103112.

It is a happy number.

It is a super-2 number, since 2×2113011312² = 8929633609279922688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2113011291 and 2113011300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22010487 + ... + 22010582.

It is an arithmetic number, because the mean of its divisors is an integer number (272930634).

Almost surely, 2^2113011312 is an apocalyptic number.

It is an amenable number.

2113011312 is an abundant number, since it is smaller than the sum of its proper divisors (3345601368).

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

2113011312 is a wasteful number, since it uses less digits than its factorization.

2113011312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44021080 (or 44021074 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2113011312 is about 45967.5027818567. The cubic root of 2113011312 is about 1283.2184858076.

Adding to 2113011312 its reverse (2131103112), we get a palindrome (4244114424).

The spelling of 2113011312 in words is "two billion, one hundred thirteen million, eleven thousand, three hundred twelve".