311020234 has 16 divisors (see below), whose sum is σ = 561240000. Its totient is φ = 126278784.

The previous prime is 311020169. The next prime is 311020279. The reversal of 311020234 is 432020113.

It is a happy number.

311020234 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584359 + ... + 584890.

It is an arithmetic number, because the mean of its divisors is an integer number (35077500).

Almost surely, 2^311020234 is an apocalyptic number.

311020234 is a deficient number, since it is larger than the sum of its proper divisors (250219766).

311020234 is a wasteful number, since it uses less digits than its factorization.

311020234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169277.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 311020234 is about 17635.7657616561. The cubic root of 311020234 is about 677.5315882387.

Adding to 311020234 its reverse (432020113), we get a palindrome (743040347).

The spelling of 311020234 in words is "three hundred eleven million, twenty thousand, two hundred thirty-four".