311334225 has 24 divisors (see below), whose sum is σ = 515413440. Its totient is φ = 165827520.

The previous prime is 311334223. The next prime is 311334229. The reversal of 311334225 is 522433113.

It is not a de Polignac number, because 311334225 - 2¹ = 311334223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311334195 and 311334204.

It is not an unprimeable number, because it can be changed into a prime (311334223) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 66667 + ... + 71183.

It is an arithmetic number, because the mean of its divisors is an integer number (21475560).

Almost surely, 2^311334225 is an apocalyptic number.

It is an amenable number.

311334225 is a deficient number, since it is larger than the sum of its proper divisors (204079215).

311334225 is a wasteful number, since it uses less digits than its factorization.

311334225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5449 (or 5444 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 311334225 is about 17644.6656244883. The cubic root of 311334225 is about 677.7595126066.

Adding to 311334225 its reverse (522433113), we get a palindrome (833767338).

The spelling of 311334225 in words is "three hundred eleven million, three hundred thirty-four thousand, two hundred twenty-five".