227312542073 has 4 divisors (see below), whose sum is σ = 227987060340. Its totient is φ = 226638023808.

The previous prime is 227312542033. The next prime is 227312542087. The reversal of 227312542073 is 370245213722.

227312542073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 71316770704 + 155995771369 = 267052^2 + 394963^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-227312542073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (227312542003) 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, 337258628 + ... + 337259301.

It is an arithmetic number, because the mean of its divisors is an integer number (56996765085).

Almost surely, 2^227312542073 is an apocalyptic number.

It is an amenable number.

227312542073 is a deficient number, since it is larger than the sum of its proper divisors (674518267).

227312542073 is an equidigital number, since it uses as much as digits as its factorization.

227312542073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674518266.

The product of its (nonzero) digits is 141120, while the sum is 38.

Adding to 227312542073 its reverse (370245213722), we get a palindrome (597557755795).

The spelling of 227312542073 in words is "two hundred twenty-seven billion, three hundred twelve million, five hundred forty-two thousand, seventy-three".