3122311312 has 40 divisors (see below), whose sum is σ = 6157641600. Its totient is φ = 1533447552.

The previous prime is 3122311301. The next prime is 3122311321. The reversal of 3122311312 is 2131132213.

It is a super-2 number, since 2×3122311312² = 19497655858086322688, 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 3122311312.

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 7 ways as a sum of consecutive naturals, for example, 242739 + ... + 255277.

It is an arithmetic number, because the mean of its divisors is an integer number (153941040).

Almost surely, 2^3122311312 is an apocalyptic number.

It is an amenable number.

3122311312 is a deficient number, since it is larger than the sum of its proper divisors (3035330288).

3122311312 is a wasteful number, since it uses less digits than its factorization.

3122311312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12823 (or 12817 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 3122311312 is about 55877.6459060329. The cubic root of 3122311312 is about 1461.5894543231.

Adding to 3122311312 its reverse (2131132213), we get a palindrome (5253443525).

The spelling of 3122311312 in words is "three billion, one hundred twenty-two million, three hundred eleven thousand, three hundred twelve".