3120131313 has 16 divisors (see below), whose sum is σ = 4977987840. Its totient is φ = 1920080592.

The previous prime is 3120131251. The next prime is 3120131327. The reversal of 3120131313 is 3131310213.

It is a happy number.

It is not a de Polignac number, because 3120131313 - 2⁶ = 3120131249 is a prime.

3120131313 is a modest number, since divided by 131313 gives 3120 as remainder.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3120131513) 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, 4444281 + ... + 4444982.

It is an arithmetic number, because the mean of its divisors is an integer number (311124240).

Almost surely, 2^3120131313 is an apocalyptic number.

It is an amenable number.

3120131313 is a deficient number, since it is larger than the sum of its proper divisors (1857856527).

3120131313 is a wasteful number, since it uses less digits than its factorization.

3120131313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8889285 (or 8889279 counting only the distinct ones).

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

The square root of 3120131313 is about 55858.1356026139. The cubic root of 3120131313 is about 1461.2492143462.

Adding to 3120131313 its reverse (3131310213), we get a palindrome (6251441526).

The spelling of 3120131313 in words is "three billion, one hundred twenty million, one hundred thirty-one thousand, three hundred thirteen".