201130320077 has 2 divisors, whose sum is σ = 201130320078. Its totient is φ = 201130320076.

The previous prime is 201130320011. The next prime is 201130320179. The reversal of 201130320077 is 770023031102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120527703241 + 80602616836 = 347171^2 + 283906^2 .

It is a cyclic number.

It is not a de Polignac number, because 201130320077 - 2²⁰ = 201129271501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201130320277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100565160038 + 100565160039.

It is an arithmetic number, because the mean of its divisors is an integer number (100565160039).

Almost surely, 2^201130320077 is an apocalyptic number.

It is an amenable number.

201130320077 is a deficient number, since it is larger than the sum of its proper divisors (1).

201130320077 is an equidigital number, since it uses as much as digits as its factorization.

201130320077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 26.

Adding to 201130320077 its reverse (770023031102), we get a palindrome (971153351179).

The spelling of 201130320077 in words is "two hundred one billion, one hundred thirty million, three hundred twenty thousand, seventy-seven".