3123112213 has 16 divisors (see below), whose sum is σ = 3551627520. Its totient is φ = 2722458816.

The previous prime is 3123112171. The next prime is 3123112217. The reversal of 3123112213 is 3122113213.

3123112213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3123112213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123112217) 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, 58356 + ... + 98242.

It is an arithmetic number, because the mean of its divisors is an integer number (221976720).

Almost surely, 2^3123112213 is an apocalyptic number.

It is an amenable number.

3123112213 is a deficient number, since it is larger than the sum of its proper divisors (428515307).

3123112213 is a wasteful number, since it uses less digits than its factorization.

3123112213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40236.

The product of its digits is 216, while the sum is 19.

The square root of 3123112213 is about 55884.8120064835. The cubic root of 3123112213 is about 1461.7144139299.

Adding to 3123112213 its reverse (3122113213), we get a palindrome (6245225426).

The spelling of 3123112213 in words is "three billion, one hundred twenty-three million, one hundred twelve thousand, two hundred thirteen".