311434442 has 16 divisors (see below), whose sum is σ = 522051264. Its totient is φ = 138108000.

The previous prime is 311434433. The next prime is 311434457. The reversal of 311434442 is 244434113.

311434442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 171734 + ... + 173537.

It is an arithmetic number, because the mean of its divisors is an integer number (32628204).

Almost surely, 2^311434442 is an apocalyptic number.

311434442 is a deficient number, since it is larger than the sum of its proper divisors (210616822).

311434442 is a wasteful number, since it uses less digits than its factorization.

311434442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345325.

The product of its digits is 4608, while the sum is 26.

The square root of 311434442 is about 17647.5052627843. The cubic root of 311434442 is about 677.8322273216.

Adding to 311434442 its reverse (244434113), we get a palindrome (555868555).

The spelling of 311434442 in words is "three hundred eleven million, four hundred thirty-four thousand, four hundred forty-two".