201312332077 has 2 divisors, whose sum is σ = 201312332078. Its totient is φ = 201312332076.

The previous prime is 201312332069. The next prime is 201312332129. The reversal of 201312332077 is 770233213102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103186143076 + 98126189001 = 321226^2 + 313251^2 .

It is a cyclic number.

It is not a de Polignac number, because 201312332077 - 2³ = 201312332069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201312332027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100656166038 + 100656166039.

It is an arithmetic number, because the mean of its divisors is an integer number (100656166039).

Almost surely, 2^201312332077 is an apocalyptic number.

It is an amenable number.

201312332077 is a deficient number, since it is larger than the sum of its proper divisors (1).

201312332077 is an equidigital number, since it uses as much as digits as its factorization.

201312332077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 31.

Adding to 201312332077 its reverse (770233213102), we get a palindrome (971545545179).

The spelling of 201312332077 in words is "two hundred one billion, three hundred twelve million, three hundred thirty-two thousand, seventy-seven".