1401341321 has 2 divisors, whose sum is σ = 1401341322. Its totient is φ = 1401341320.

The previous prime is 1401341311. The next prime is 1401341323. The reversal of 1401341321 is 1231431041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1386817600 + 14523721 = 37240^2 + 3811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401341321 is a prime.

Together with 1401341323, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1401341293 and 1401341302.

It is not a weakly prime, because it can be changed into another prime (1401341323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700670660 + 700670661.

It is an arithmetic number, because the mean of its divisors is an integer number (700670661).

Almost surely, 2^1401341321 is an apocalyptic number.

It is an amenable number.

1401341321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401341321 is an equidigital number, since it uses as much as digits as its factorization.

1401341321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1401341321 is about 37434.4937323854. The cubic root of 1401341321 is about 1119.0460949423.

Adding to 1401341321 its reverse (1231431041), we get a palindrome (2632772362).

The spelling of 1401341321 in words is "one billion, four hundred one million, three hundred forty-one thousand, three hundred twenty-one".