2213103312 has 120 divisors (see below), whose sum is σ = 7088544320. Its totient is φ = 631411200.

The previous prime is 2213103287. The next prime is 2213103313. The reversal of 2213103312 is 2133013122.

2213103312 is a `hidden beast` number, since 2 + 21 + 310 + 331 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213103313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1058364 + ... + 1060452.

Almost surely, 2^2213103312 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 2213103312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3544272160).

2213103312 is an abundant number, since it is smaller than the sum of its proper divisors (4875441008).

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

2213103312 is a wasteful number, since it uses less digits than its factorization.

2213103312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161 (or 3152 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2213103312 is about 47043.6320026420. The cubic root of 2213103312 is about 1303.1684669386.

Adding to 2213103312 its reverse (2133013122), we get a palindrome (4346116434).

The spelling of 2213103312 in words is "two billion, two hundred thirteen million, one hundred three thousand, three hundred twelve".