3113311213 has 4 divisors (see below), whose sum is σ = 3172052988. Its totient is φ = 3054569440.

The previous prime is 3113311193. The next prime is 3113311259. The reversal of 3113311213 is 3121133113.

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 1397114884 + 1716196329 = 37378^2 + 41427^2 .

It is a cyclic number.

It is not a de Polignac number, because 3113311213 - 2⁹ = 3113310701 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 (3113311013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29370808 + ... + 29370913.

It is an arithmetic number, because the mean of its divisors is an integer number (793013247).

Almost surely, 2^3113311213 is an apocalyptic number.

It is an amenable number.

3113311213 is a deficient number, since it is larger than the sum of its proper divisors (58741775).

3113311213 is an equidigital number, since it uses as much as digits as its factorization.

3113311213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58741774.

The product of its digits is 162, while the sum is 19.

The square root of 3113311213 is about 55797.0538021498. The cubic root of 3113311213 is about 1460.1837532217.

Adding to 3113311213 its reverse (3121133113), we get a palindrome (6234444326).

The spelling of 3113311213 in words is "three billion, one hundred thirteen million, three hundred eleven thousand, two hundred thirteen".