201040124413 has 2 divisors, whose sum is σ = 201040124414.
Its totient is φ = 201040124412.
The previous prime is 201040124321. The next prime is 201040124423. The reversal of 201040124413 is 314421040102.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 196268492484 + 4771631929 = 443022^2 + 69077^2
It is a cyclic number.
It is not a de Polignac number, because 201040124413 - 221 = 201038027261 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (201040124423) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100520062206 + 100520062207.
It is an arithmetic number, because the mean of its divisors is an integer number (100520062207).
Almost surely, 2201040124413 is an apocalyptic number.
It is an amenable number.
201040124413 is a deficient number, since it is larger than the sum of its proper divisors (1).
201040124413 is an equidigital number, since it uses as much as digits as its factorization.
201040124413 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 768, while the sum is 22.
Adding to 201040124413 its reverse (314421040102), we get a palindrome (515461164515).
The spelling of 201040124413 in words is "two hundred one billion, forty million, one hundred twenty-four thousand, four hundred thirteen".