71113313233 has 2 divisors, whose sum is σ = 71113313234. Its totient is φ = 71113313232.

The previous prime is 71113313213. The next prime is 71113313263. The reversal of 71113313233 is 33231331117.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53366544144 + 17746769089 = 231012^2 + 133217^2 .

It is an emirp because it is prime and its reverse (33231331117) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71113313233 is a prime.

It is not a weakly prime, because it can be changed into another prime (71113313203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35556656616 + 35556656617.

It is an arithmetic number, because the mean of its divisors is an integer number (35556656617).

Almost surely, 2^71113313233 is an apocalyptic number.

It is an amenable number.

71113313233 is a deficient number, since it is larger than the sum of its proper divisors (1).

71113313233 is an equidigital number, since it uses as much as digits as its factorization.

71113313233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402, while the sum is 28.

The spelling of 71113313233 in words is "seventy-one billion, one hundred thirteen million, three hundred thirteen thousand, two hundred thirty-three".