1402333321 has 2 divisors, whose sum is σ = 1402333322. Its totient is φ = 1402333320.

The previous prime is 1402333319. The next prime is 1402333343. The reversal of 1402333321 is 1233332041.

It is an a-pointer prime, because the next prime (1402333343) can be obtained adding 1402333321 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1386817600 + 15515721 = 37240^2 + 3939^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402333321 - 2¹ = 1402333319 is a prime.

Together with 1402333319, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1402333292 and 1402333301.

It is not a weakly prime, because it can be changed into another prime (1402333421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701166660 + 701166661.

It is an arithmetic number, because the mean of its divisors is an integer number (701166661).

Almost surely, 2^1402333321 is an apocalyptic number.

It is an amenable number.

1402333321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402333321 is an equidigital number, since it uses as much as digits as its factorization.

1402333321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 1402333321 is about 37447.7412002380. The cubic root of 1402333321 is about 1119.3100877017.

Adding to 1402333321 its reverse (1233332041), we get a palindrome (2635665362).

The spelling of 1402333321 in words is "one billion, four hundred two million, three hundred thirty-three thousand, three hundred twenty-one".