201403231321 has 2 divisors, whose sum is σ = 201403231322. Its totient is φ = 201403231320.

The previous prime is 201403231301. The next prime is 201403231331. The reversal of 201403231321 is 123132304102.

201403231321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124652069721 + 76751161600 = 353061^2 + 277040^2 .

It is a cyclic number.

It is not a de Polignac number, because 201403231321 - 2⁷ = 201403231193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201403231292 and 201403231301.

It is not a weakly prime, because it can be changed into another prime (201403231301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100701615660 + 100701615661.

It is an arithmetic number, because the mean of its divisors is an integer number (100701615661).

Almost surely, 2^201403231321 is an apocalyptic number.

It is an amenable number.

201403231321 is a deficient number, since it is larger than the sum of its proper divisors (1).

201403231321 is an equidigital number, since it uses as much as digits as its factorization.

201403231321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 201403231321 its reverse (123132304102), we get a palindrome (324535535423).

The spelling of 201403231321 in words is "two hundred one billion, four hundred three million, two hundred thirty-one thousand, three hundred twenty-one".