314240442304021 has 4 divisors (see below), whose sum is σ = 314240509788172. Its totient is φ = 314240374819872.

The previous prime is 314240442304013. The next prime is 314240442304031. The reversal of 314240442304021 is 120403244042413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 159855816428100 + 154384625875921 = 12643410^2 + 12425161^2 .

It is a cyclic number.

It is not a de Polignac number, because 314240442304021 - 2³ = 314240442304013 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 (314240442304031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26194566 + ... + 36257911.

It is an arithmetic number, because the mean of its divisors is an integer number (78560127447043).

Almost surely, 2^{314240442304021} is an apocalyptic number.

It is an amenable number.

314240442304021 is a deficient number, since it is larger than the sum of its proper divisors (67484151).

314240442304021 is an equidigital number, since it uses as much as digits as its factorization.

314240442304021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67484150.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 314240442304021 its reverse (120403244042413), we get a palindrome (434643686346434).

The spelling of 314240442304021 in words is "three hundred fourteen trillion, two hundred forty billion, four hundred forty-two million, three hundred four thousand, twenty-one".