71313359213 has 4 divisors (see below), whose sum is σ = 71316635808. Its totient is φ = 71310082620.

The previous prime is 71313359209. The next prime is 71313359231. The reversal of 71313359213 is 31295331317.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31295331317 = 23 ⋅1360666579.

It is a cyclic number.

It is not a de Polignac number, because 71313359213 - 2² = 71313359209 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 (71313359203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1605431 + ... + 1649252.

It is an arithmetic number, because the mean of its divisors is an integer number (17829158952).

Almost surely, 2^71313359213 is an apocalyptic number.

It is an amenable number.

71313359213 is a deficient number, since it is larger than the sum of its proper divisors (3276595).

71313359213 is a wasteful number, since it uses less digits than its factorization.

71313359213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276594.

The product of its digits is 51030, while the sum is 38.

The spelling of 71313359213 in words is "seventy-one billion, three hundred thirteen million, three hundred fifty-nine thousand, two hundred thirteen".