71311300231312 has 20 divisors (see below), whose sum is σ = 138166226659120. Its totient is φ = 35655499803168.

The previous prime is 71311300231289. The next prime is 71311300231319. The reversal of 71311300231312 is 21313200311317.

It is not an unprimeable number, because it can be changed into a prime (71311300231319) 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, 5429862 + ... + 13118917.

It is an arithmetic number, because the mean of its divisors is an integer number (6908311332956).

Almost surely, 2^{71311300231312} is an apocalyptic number.

It is an amenable number.

71311300231312 is a deficient number, since it is larger than the sum of its proper divisors (66854926427808).

71311300231312 is a wasteful number, since it uses less digits than its factorization.

71311300231312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18789070 (or 18789064 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

Adding to 71311300231312 its reverse (21313200311317), we get a palindrome (92624500542629).

The spelling of 71311300231312 in words is "seventy-one trillion, three hundred eleven billion, three hundred million, two hundred thirty-one thousand, three hundred twelve".