314044021 has 4 divisors (see below), whose sum is σ = 314192844. Its totient is φ = 313895200.

The previous prime is 314044019. The next prime is 314044057. The reversal of 314044021 is 120440413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 120440413 = 61 ⋅1974433.

It can be written as a sum of positive squares in 2 ways, for example, as 262764100 + 51279921 = 16210^2 + 7161^2 .

It is a cyclic number.

It is not a de Polignac number, because 314044021 - 2¹ = 314044019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 314044021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314045021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71200 + ... + 75481.

It is an arithmetic number, because the mean of its divisors is an integer number (78548211).

Almost surely, 2^314044021 is an apocalyptic number.

It is an amenable number.

314044021 is a deficient number, since it is larger than the sum of its proper divisors (148823).

314044021 is a wasteful number, since it uses less digits than its factorization.

314044021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148822.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 314044021 is about 17721.2872275126. The cubic root of 314044021 is about 679.7201999093.

Adding to 314044021 its reverse (120440413), we get a palindrome (434484434).

The spelling of 314044021 in words is "three hundred fourteen million, forty-four thousand, twenty-one".