311344011 has 36 divisors (see below), whose sum is σ = 507745056. Its totient is φ = 183569760.

The previous prime is 311343997. The next prime is 311344021. The reversal of 311344011 is 110443113.

311344011 is a `hidden beast` number, since 311 + 344 + 0 + 11 = 666.

It is not a de Polignac number, because 311344011 - 2⁵ = 311343979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311344021) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 36430 + ... + 44156.

Almost surely, 2^311344011 is an apocalyptic number.

311344011 is a deficient number, since it is larger than the sum of its proper divisors (196401045).

311344011 is a wasteful number, since it uses less digits than its factorization.

311344011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7792 (or 7778 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 311344011 is about 17644.9429299162. The cubic root of 311344011 is about 677.7666137481.

Adding to 311344011 its reverse (110443113), we get a palindrome (421787124).

The spelling of 311344011 in words is "three hundred eleven million, three hundred forty-four thousand, eleven".