403231322221201 has 8 divisors (see below), whose sum is σ = 410935608386280. Its totient is φ = 395530597093632.

The previous prime is 403231322221187. The next prime is 403231322221207. The reversal of 403231322221201 is 102122223132304.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 50985640000 + 403180336581201 = 225800^2 + 20079351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 403231322221201 - 2⁷ = 403231322221073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 403231322221201.

It is not an unprimeable number, because it can be changed into a prime (403231322221207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 890030746 + ... + 890483683.

It is an arithmetic number, because the mean of its divisors is an integer number (51366951048285).

Almost surely, 2^{403231322221201} is an apocalyptic number.

It is an amenable number.

403231322221201 is a deficient number, since it is larger than the sum of its proper divisors (7704286165079).

403231322221201 is a wasteful number, since it uses less digits than its factorization.

403231322221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780518755.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 403231322221201 its reverse (102122223132304), we get a palindrome (505353545353505).

The spelling of 403231322221201 in words is "four hundred three trillion, two hundred thirty-one billion, three hundred twenty-two million, two hundred twenty-one thousand, two hundred one".