3113011213 has 4 divisors (see below), whose sum is σ = 3352473628. Its totient is φ = 2873548800.

The previous prime is 3113011163. The next prime is 3113011303. The reversal of 3113011213 is 3121103113.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1517647849 + 1595363364 = 38957^2 + 39942^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3113011213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113017213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119731188 + ... + 119731213.

It is an arithmetic number, because the mean of its divisors is an integer number (838118407).

Almost surely, 2^3113011213 is an apocalyptic number.

It is an amenable number.

3113011213 is a deficient number, since it is larger than the sum of its proper divisors (239462415).

3113011213 is a wasteful number, since it uses less digits than its factorization.

3113011213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239462414.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 3113011213 is about 55794.3654234010. The cubic root of 3113011213 is about 1460.1368504048.

Adding to 3113011213 its reverse (3121103113), we get a palindrome (6234114326).

The spelling of 3113011213 in words is "three billion, one hundred thirteen million, eleven thousand, two hundred thirteen".