201034301861 has 2 divisors, whose sum is σ = 201034301862. Its totient is φ = 201034301860.

The previous prime is 201034301801. The next prime is 201034301869. The reversal of 201034301861 is 168103430102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184282176961 + 16752124900 = 429281^2 + 129430^2 .

It is a cyclic number.

It is not a de Polignac number, because 201034301861 - 2²⁶ = 200967192997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201034301869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100517150930 + 100517150931.

It is an arithmetic number, because the mean of its divisors is an integer number (100517150931).

Almost surely, 2^201034301861 is an apocalyptic number.

It is an amenable number.

201034301861 is a deficient number, since it is larger than the sum of its proper divisors (1).

201034301861 is an equidigital number, since it uses as much as digits as its factorization.

201034301861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 201034301861 its reverse (168103430102), we get a palindrome (369137731963).

The spelling of 201034301861 in words is "two hundred one billion, thirty-four million, three hundred one thousand, eight hundred sixty-one".