71003312201 has 4 divisors (see below), whose sum is σ = 71172771600. Its totient is φ = 70833852804.

The previous prime is 71003312183. The next prime is 71003312207. The reversal of 71003312201 is 10221330017.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 71003312201 - 2¹⁰ = 71003311177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71003312207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84729071 + ... + 84729908.

It is an arithmetic number, because the mean of its divisors is an integer number (17793192900).

Almost surely, 2^71003312201 is an apocalyptic number.

It is an amenable number.

71003312201 is a deficient number, since it is larger than the sum of its proper divisors (169459399).

71003312201 is a wasteful number, since it uses less digits than its factorization.

71003312201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169459398.

The product of its (nonzero) digits is 252, while the sum is 20.

Adding to 71003312201 its reverse (10221330017), we get a palindrome (81224642218).

The spelling of 71003312201 in words is "seventy-one billion, three million, three hundred twelve thousand, two hundred one".