2113210312 has 16 divisors (see below), whose sum is σ = 4027225500. Its totient is φ = 1039283520.

The previous prime is 2113210291. The next prime is 2113210321. The reversal of 2113210312 is 2130123112.

It can be written as a sum of positive squares in 2 ways, for example, as 1573391556 + 539818756 = 39666^2 + 23234^2 .

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, 2164687 + ... + 2165662.

Almost surely, 2^2113210312 is an apocalyptic number.

It is an amenable number.

2113210312 is a deficient number, since it is larger than the sum of its proper divisors (1914015188).

2113210312 is a wasteful number, since it uses less digits than its factorization.

2113210312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4330416 (or 4330412 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2113210312 is about 45969.6673035601. The cubic root of 2113210312 is about 1283.2587683593.

Adding to 2113210312 its reverse (2130123112), we get a palindrome (4243333424).

The spelling of 2113210312 in words is "two billion, one hundred thirteen million, two hundred ten thousand, three hundred twelve".