311434444 has 12 divisors (see below), whose sum is σ = 568706544. Its totient is φ = 148946864.

The previous prime is 311434433. The next prime is 311434457. The reversal of 311434444 is 444434113.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1692487 + ... + 1692670.

It is an arithmetic number, because the mean of its divisors is an integer number (47392212).

Almost surely, 2^311434444 is an apocalyptic number.

It is an amenable number.

311434444 is a deficient number, since it is larger than the sum of its proper divisors (257272100).

311434444 is a wasteful number, since it uses less digits than its factorization.

311434444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385184 (or 3385182 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

The square root of 311434444 is about 17647.5053194495. The cubic root of 311434444 is about 677.8322287726.

Adding to 311434444 its reverse (444434113), we get a palindrome (755868557).

The spelling of 311434444 in words is "three hundred eleven million, four hundred thirty-four thousand, four hundred forty-four".