311412812 has 12 divisors (see below), whose sum is σ = 573655320. Its totient is φ = 147511296.

The previous prime is 311412791. The next prime is 311412821. The reversal of 311412812 is 218214113.

It is a super-3 number, since 3×311412812³ (a number of 26 digits) contains 333 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 3 ways as a sum of consecutive naturals, for example, 2048693 + ... + 2048844.

It is an arithmetic number, because the mean of its divisors is an integer number (47804610).

Almost surely, 2^311412812 is an apocalyptic number.

It is an amenable number.

311412812 is a deficient number, since it is larger than the sum of its proper divisors (262242508).

311412812 is a wasteful number, since it uses less digits than its factorization.

311412812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4097560 (or 4097558 counting only the distinct ones).

The product of its digits is 384, while the sum is 23.

The square root of 311412812 is about 17646.8924176468. The cubic root of 311412812 is about 677.8165345053.

Adding to 311412812 its reverse (218214113), we get a palindrome (529626925).

The spelling of 311412812 in words is "three hundred eleven million, four hundred twelve thousand, eight hundred twelve".