311344412 has 24 divisors (see below), whose sum is σ = 574156800. Its totient is φ = 147317616.

The previous prime is 311344379. The next prime is 311344417. The reversal of 311344412 is 214443113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311344417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95603 + ... + 98805.

It is an arithmetic number, because the mean of its divisors is an integer number (23923200).

Almost surely, 2^311344412 is an apocalyptic number.

It is an amenable number.

311344412 is a deficient number, since it is larger than the sum of its proper divisors (262812388).

311344412 is a wasteful number, since it uses less digits than its factorization.

311344412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4505 (or 4503 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 311344412 is about 17644.9542929417. The cubic root of 311344412 is about 677.7669047277.

Adding to 311344412 its reverse (214443113), we get a palindrome (525787525).

The spelling of 311344412 in words is "three hundred eleven million, three hundred forty-four thousand, four hundred twelve".