201324422461 has 2 divisors, whose sum is σ = 201324422462. Its totient is φ = 201324422460.

The previous prime is 201324422419. The next prime is 201324422489. The reversal of 201324422461 is 164224423102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183467445561 + 17856976900 = 428331^2 + 133630^2 .

It is a cyclic number.

It is not a de Polignac number, because 201324422461 - 2⁷ = 201324422333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201324422401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100662211230 + 100662211231.

It is an arithmetic number, because the mean of its divisors is an integer number (100662211231).

Almost surely, 2^201324422461 is an apocalyptic number.

It is an amenable number.

201324422461 is a deficient number, since it is larger than the sum of its proper divisors (1).

201324422461 is an equidigital number, since it uses as much as digits as its factorization.

201324422461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 201324422461 its reverse (164224423102), we get a palindrome (365548845563).

The spelling of 201324422461 in words is "two hundred one billion, three hundred twenty-four million, four hundred twenty-two thousand, four hundred sixty-one".