71130490201 has 2 divisors, whose sum is σ = 71130490202. Its totient is φ = 71130490200.

The previous prime is 71130490187. The next prime is 71130490273. The reversal of 71130490201 is 10209403117.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71064896400 + 65593801 = 266580^2 + 8099^2 .

It is a cyclic number.

It is not a de Polignac number, because 71130490201 - 2¹⁹ = 71129965913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71130490201.

It is not a weakly prime, because it can be changed into another prime (71130490601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35565245100 + 35565245101.

It is an arithmetic number, because the mean of its divisors is an integer number (35565245101).

Almost surely, 2^71130490201 is an apocalyptic number.

It is an amenable number.

71130490201 is a deficient number, since it is larger than the sum of its proper divisors (1).

71130490201 is an equidigital number, since it uses as much as digits as its factorization.

71130490201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

Adding to 71130490201 its reverse (10209403117), we get a palindrome (81339893318).

The spelling of 71130490201 in words is "seventy-one billion, one hundred thirty million, four hundred ninety thousand, two hundred one".