310130812 has 12 divisors (see below), whose sum is σ = 543508056. Its totient is φ = 154842800.

The previous prime is 310130801. The next prime is 310130839. The reversal of 310130812 is 218031013.

It is a super-2 number, since 2×310130812² = 192362241103558688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 310130812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52498 + ... + 58105.

It is an arithmetic number, because the mean of its divisors is an integer number (45292338).

Almost surely, 2^310130812 is an apocalyptic number.

It is an amenable number.

310130812 is a deficient number, since it is larger than the sum of its proper divisors (233377244).

310130812 is a wasteful number, since it uses less digits than its factorization.

310130812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111308 (or 111306 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 310130812 is about 17610.5312810261. The cubic root of 310130812 is about 676.8851277875.

Adding to 310130812 its reverse (218031013), we get a palindrome (528161825).

The spelling of 310130812 in words is "three hundred ten million, one hundred thirty thousand, eight hundred twelve".