201060310657 has 2 divisors, whose sum is σ = 201060310658. Its totient is φ = 201060310656.

The previous prime is 201060310643. The next prime is 201060310673. The reversal of 201060310657 is 756013060102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182089104961 + 18971205696 = 426719^2 + 137736^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201060310657 is a prime.

It is not a weakly prime, because it can be changed into another prime (201067310657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100530155328 + 100530155329.

It is an arithmetic number, because the mean of its divisors is an integer number (100530155329).

Almost surely, 2^201060310657 is an apocalyptic number.

It is an amenable number.

201060310657 is a deficient number, since it is larger than the sum of its proper divisors (1).

201060310657 is an equidigital number, since it uses as much as digits as its factorization.

201060310657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

Adding to 201060310657 its reverse (756013060102), we get a palindrome (957073370759).

The spelling of 201060310657 in words is "two hundred one billion, sixty million, three hundred ten thousand, six hundred fifty-seven".