71031272002702 has 16 divisors (see below), whose sum is σ = 123070225288752. Its totient is φ = 30387709947520.

The previous prime is 71031272002693. The next prime is 71031272002709. The reversal of 71031272002702 is 20720027213017.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71031272002709) 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 7 ways as a sum of consecutive naturals, for example, 94961593213 + ... + 94961593960.

It is an arithmetic number, because the mean of its divisors is an integer number (7691889080547).

Almost surely, 2^{71031272002702} is an apocalyptic number.

71031272002702 is a deficient number, since it is larger than the sum of its proper divisors (52038953286050).

71031272002702 is a wasteful number, since it uses less digits than its factorization.

71031272002702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189923187203.

The product of its (nonzero) digits is 16464, while the sum is 34.

Adding to 71031272002702 its reverse (20720027213017), we get a palindrome (91751299215719).

The spelling of 71031272002702 in words is "seventy-one trillion, thirty-one billion, two hundred seventy-two million, two thousand, seven hundred two".