201140431441 has 2 divisors, whose sum is σ = 201140431442. Its totient is φ = 201140431440.

The previous prime is 201140431423. The next prime is 201140431477. The reversal of 201140431441 is 144134041102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196474995025 + 4665436416 = 443255^2 + 68304^2 .

It is a cyclic number.

It is not a de Polignac number, because 201140431441 - 2⁷ = 201140431313 is a prime.

It is not a weakly prime, because it can be changed into another prime (201140437441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100570215720 + 100570215721.

It is an arithmetic number, because the mean of its divisors is an integer number (100570215721).

Almost surely, 2^201140431441 is an apocalyptic number.

It is an amenable number.

201140431441 is a deficient number, since it is larger than the sum of its proper divisors (1).

201140431441 is an equidigital number, since it uses as much as digits as its factorization.

201140431441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 201140431441 its reverse (144134041102), we get a palindrome (345274472543).

The spelling of 201140431441 in words is "two hundred one billion, one hundred forty million, four hundred thirty-one thousand, four hundred forty-one".