311427055 has 16 divisors (see below), whose sum is σ = 380198880. Its totient is φ = 244835712.

The previous prime is 311427049. The next prime is 311427059. The reversal of 311427055 is 550724113.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 311427055 - 2⁹ = 311426543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311427059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185761 + ... + 187429.

It is an arithmetic number, because the mean of its divisors is an integer number (23762430).

Almost surely, 2^311427055 is an apocalyptic number.

311427055 is a deficient number, since it is larger than the sum of its proper divisors (68771825).

311427055 is a wasteful number, since it uses less digits than its factorization.

311427055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 311427055 is about 17647.2959685046. The cubic root of 311427055 is about 677.8268680490.

The spelling of 311427055 in words is "three hundred eleven million, four hundred twenty-seven thousand, fifty-five".