311345434 has 16 divisors (see below), whose sum is σ = 487698048. Its totient is φ = 148789872.

The previous prime is 311345389. The next prime is 311345467. The reversal of 311345434 is 434543113.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116299 + ... + 118945.

It is an arithmetic number, because the mean of its divisors is an integer number (30481128).

Almost surely, 2^311345434 is an apocalyptic number.

311345434 is a deficient number, since it is larger than the sum of its proper divisors (176352614).

311345434 is a wasteful number, since it uses less digits than its factorization.

311345434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5229.

The product of its digits is 8640, while the sum is 28.

The square root of 311345434 is about 17644.9832530382. The cubic root of 311345434 is about 677.7676463255.

Adding to 311345434 its reverse (434543113), we get a palindrome (745888547).

The spelling of 311345434 in words is "three hundred eleven million, three hundred forty-five thousand, four hundred thirty-four".