1403141321 has 2 divisors, whose sum is σ = 1403141322. Its totient is φ = 1403141320.

The previous prime is 1403141287. The next prime is 1403141323. The reversal of 1403141321 is 1231413041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1036840000 + 366301321 = 32200^2 + 19139^2 .

It is an emirp because it is prime and its reverse (1231413041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1403141321 - 2²⁶ = 1336032457 is a prime.

Together with 1403141323, 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 = 1403141293 and 1403141302.

It is not a weakly prime, because it can be changed into another prime (1403141323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701570660 + 701570661.

It is an arithmetic number, because the mean of its divisors is an integer number (701570661).

Almost surely, 2^1403141321 is an apocalyptic number.

It is an amenable number.

1403141321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1403141321 is an equidigital number, since it uses as much as digits as its factorization.

1403141321 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1403141321 is about 37458.5280143254. The cubic root of 1403141321 is about 1119.5250220763.

Adding to 1403141321 its reverse (1231413041), we get a palindrome (2634554362).

The spelling of 1403141321 in words is "one billion, four hundred three million, one hundred forty-one thousand, three hundred twenty-one".