71930230133 has 2 divisors, whose sum is σ = 71930230134. Its totient is φ = 71930230132.

The previous prime is 71930230103. The next prime is 71930230159. The reversal of 71930230133 is 33103203917.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58950868804 + 12979361329 = 242798^2 + 113927^2 .

It is a cyclic number.

It is not a de Polignac number, because 71930230133 - 2¹⁶ = 71930164597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71930230133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71930230103) 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 as a sum of consecutive naturals, namely, 35965115066 + 35965115067.

It is an arithmetic number, because the mean of its divisors is an integer number (35965115067).

Almost surely, 2^71930230133 is an apocalyptic number.

It is an amenable number.

71930230133 is a deficient number, since it is larger than the sum of its proper divisors (1).

71930230133 is an equidigital number, since it uses as much as digits as its factorization.

71930230133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 32.

The spelling of 71930230133 in words is "seventy-one billion, nine hundred thirty million, two hundred thirty thousand, one hundred thirty-three".