311340141 has 12 divisors (see below), whose sum is σ = 513958432. Its totient is φ = 177908616.

The previous prime is 311340047. The next prime is 311340181. The reversal of 311340141 is 141043113.

311340141 is a `hidden beast` number, since 311 + 340 + 14 + 1 = 666.

It is not a de Polignac number, because 311340141 - 2¹⁷ = 311209069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311340181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2470891 + ... + 2471016.

Almost surely, 2^311340141 is an apocalyptic number.

It is an amenable number.

311340141 is a deficient number, since it is larger than the sum of its proper divisors (202618291).

311340141 is a wasteful number, since it uses less digits than its factorization.

311340141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4941920 (or 4941917 counting only the distinct ones).

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

The square root of 311340141 is about 17644.8332664267. The cubic root of 311340141 is about 677.7638055278.

Adding to 311340141 its reverse (141043113), we get a palindrome (452383254).

The spelling of 311340141 in words is "three hundred eleven million, three hundred forty thousand, one hundred forty-one".