71354031017 has 2 divisors, whose sum is σ = 71354031018. Its totient is φ = 71354031016.

The previous prime is 71354031013. The next prime is 71354031019. The reversal of 71354031017 is 71013045317.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64314988816 + 7039042201 = 253604^2 + 83899^2 .

It is an emirp because it is prime and its reverse (71013045317) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71354031017 - 2² = 71354031013 is a prime.

Together with 71354031019, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (71354031011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35677015508 + 35677015509.

It is an arithmetic number, because the mean of its divisors is an integer number (35677015509).

Almost surely, 2^71354031017 is an apocalyptic number.

It is an amenable number.

71354031017 is a deficient number, since it is larger than the sum of its proper divisors (1).

71354031017 is an equidigital number, since it uses as much as digits as its factorization.

71354031017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 32.

The spelling of 71354031017 in words is "seventy-one billion, three hundred fifty-four million, thirty-one thousand, seventeen".