71233333201 has 4 divisors (see below), whose sum is σ = 71391982500. Its totient is φ = 71074683904.

The previous prime is 71233333147. The next prime is 71233333289. The reversal of 71233333201 is 10233333217.

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 23806947025 + 47426386176 = 154295^2 + 217776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71233333201 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 71233333201.

It is not an unprimeable number, because it can be changed into a prime (71233333001) 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, 79323976 + ... + 79324873.

It is an arithmetic number, because the mean of its divisors is an integer number (17847995625).

Almost surely, 2^71233333201 is an apocalyptic number.

It is an amenable number.

71233333201 is a deficient number, since it is larger than the sum of its proper divisors (158649299).

71233333201 is a wasteful number, since it uses less digits than its factorization.

71233333201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158649298.

The product of its (nonzero) digits is 6804, while the sum is 28.

Adding to 71233333201 its reverse (10233333217), we get a palindrome (81466666418).

The spelling of 71233333201 in words is "seventy-one billion, two hundred thirty-three million, three hundred thirty-three thousand, two hundred one".