3113031213 has 12 divisors (see below), whose sum is σ = 4524189280. Its totient is φ = 2062620936.

The previous prime is 3113031203. The next prime is 3113031221. The reversal of 3113031213 is 3121303113.

It is a happy number.

3113031213 is a `hidden beast` number, since 311 + 30 + 312 + 13 = 666.

3113031213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3113031213 - 2⁴ = 3113031197 is a prime.

It is a super-2 number, since 2×3113031213² = 19381926666224502738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113031203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1059553 + ... + 1062486.

Almost surely, 2^3113031213 is an apocalyptic number.

It is an amenable number.

3113031213 is a deficient number, since it is larger than the sum of its proper divisors (1411158067).

3113031213 is a wasteful number, since it uses less digits than its factorization.

3113031213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122208 (or 2122205 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 3113031213 is about 55794.5446526809. The cubic root of 3113031213 is about 1460.1399773530.

Adding to 3113031213 its reverse (3121303113), we get a palindrome (6234334326).

The spelling of 3113031213 in words is "three billion, one hundred thirteen million, thirty-one thousand, two hundred thirteen".