311214404 has 12 divisors (see below), whose sum is σ = 545794704. Its totient is φ = 155273064.

The previous prime is 311214391. The next prime is 311214413. The reversal of 311214404 is 404412113.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81434 + ... + 85169.

It is an arithmetic number, because the mean of its divisors is an integer number (45482892).

Almost surely, 2^311214404 is an apocalyptic number.

It is an amenable number.

311214404 is a deficient number, since it is larger than the sum of its proper divisors (234580300).

311214404 is a wasteful number, since it uses less digits than its factorization.

311214404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167074 (or 167072 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 311214404 is about 17641.2699089380. The cubic root of 311214404 is about 677.6725532807.

Adding to 311214404 its reverse (404412113), we get a palindrome (715626517).

The spelling of 311214404 in words is "three hundred eleven million, two hundred fourteen thousand, four hundred four".