3113212313 has 4 divisors (see below), whose sum is σ = 3114730788. Its totient is φ = 3111693840.

The previous prime is 3113212283. The next prime is 3113212343. The reversal of 3113212313 is 3132123113.

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

It is an interprime number because it is at equal distance from previous prime (3113212283) and next prime (3113212343).

It can be written as a sum of positive squares in 2 ways, for example, as 743761984 + 2369450329 = 27272^2 + 48677^2 .

It is a cyclic number.

It is not a de Polignac number, because 3113212313 - 2¹⁴ = 3113195929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3113212343) 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, 756158 + ... + 760263.

It is an arithmetic number, because the mean of its divisors is an integer number (778682697).

Almost surely, 2^3113212313 is an apocalyptic number.

It is an amenable number.

3113212313 is a deficient number, since it is larger than the sum of its proper divisors (1518475).

3113212313 is a wasteful number, since it uses less digits than its factorization.

3113212313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518474.

The product of its digits is 324, while the sum is 20.

The square root of 3113212313 is about 55796.1675476013. The cubic root of 3113212313 is about 1460.1682912593.

Adding to 3113212313 its reverse (3132123113), we get a palindrome (6245335426).

The spelling of 3113212313 in words is "three billion, one hundred thirteen million, two hundred twelve thousand, three hundred thirteen".