311055442 has 8 divisors (see below), whose sum is σ = 466733232. Its totient is φ = 155477700.

The previous prime is 311055419. The next prime is 311055449. The reversal of 311055442 is 244550113.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (311055449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16684 + ... + 30007.

It is an arithmetic number, because the mean of its divisors is an integer number (58341654).

Almost surely, 2^311055442 is an apocalyptic number.

311055442 is a deficient number, since it is larger than the sum of its proper divisors (155677790).

311055442 is a wasteful number, since it uses less digits than its factorization.

311055442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50024.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 311055442 is about 17636.7639321957. The cubic root of 311055442 is about 677.5571531693.

The spelling of 311055442 in words is "three hundred eleven million, fifty-five thousand, four hundred forty-two".