201042307 has 2 divisors, whose sum is σ = 201042308. Its totient is φ = 201042306.

The previous prime is 201042299. The next prime is 201042319. The reversal of 201042307 is 703240102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201042307 - 2³ = 201042299 is a prime.

It is not a weakly prime, because it can be changed into another prime (201042377) 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, 100521153 + 100521154.

It is an arithmetic number, because the mean of its divisors is an integer number (100521154).

Almost surely, 2^201042307 is an apocalyptic number.

201042307 is a deficient number, since it is larger than the sum of its proper divisors (1).

201042307 is an equidigital number, since it uses as much as digits as its factorization.

201042307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 201042307 is about 14178.9388531018. The cubic root of 201042307 is about 585.8176959733.

Adding to 201042307 its reverse (703240102), we get a palindrome (904282409).

The spelling of 201042307 in words is "two hundred one million, forty-two thousand, three hundred seven".