201043403017 has 2 divisors, whose sum is σ = 201043403018. Its totient is φ = 201043403016.

The previous prime is 201043402999. The next prime is 201043403021. The reversal of 201043403017 is 710304340102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176920343161 + 24123059856 = 420619^2 + 155316^2 .

It is a cyclic number.

It is not a de Polignac number, because 201043403017 - 2¹⁵ = 201043370249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201043402982 and 201043403000.

It is not a weakly prime, because it can be changed into another prime (201043403047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100521701508 + 100521701509.

It is an arithmetic number, because the mean of its divisors is an integer number (100521701509).

Almost surely, 2^201043403017 is an apocalyptic number.

It is an amenable number.

201043403017 is a deficient number, since it is larger than the sum of its proper divisors (1).

201043403017 is an equidigital number, since it uses as much as digits as its factorization.

201043403017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 201043403017 its reverse (710304340102), we get a palindrome (911347743119).

The spelling of 201043403017 in words is "two hundred one billion, forty-three million, four hundred three thousand, seventeen".