3112257316 has 48 divisors (see below), whose sum is σ = 6362496000. Its totient is φ = 1304490528.

The previous prime is 3112257299. The next prime is 3112257349. The reversal of 3112257316 is 6137522113.

It is a happy number.

It is a super-2 number, since 2×3112257316² = 19372291201991047712, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324015 + ... + 333481.

It is an arithmetic number, because the mean of its divisors is an integer number (132552000).

Almost surely, 2^3112257316 is an apocalyptic number.

It is an amenable number.

3112257316 is an abundant number, since it is smaller than the sum of its proper divisors (3250238684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3112257316 is a wasteful number, since it uses less digits than its factorization.

3112257316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9736 (or 9734 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 3112257316 is about 55787.6089826406. The cubic root of 3112257316 is about 1460.0189707925.

Adding to 3112257316 its reverse (6137522113), we get a palindrome (9249779429).

The spelling of 3112257316 in words is "three billion, one hundred twelve million, two hundred fifty-seven thousand, three hundred sixteen".