13402303321 has 4 divisors (see below), whose sum is σ = 14620694544. Its totient is φ = 12183912100.

The previous prime is 13402303319. The next prime is 13402303357. The reversal of 13402303321 is 12330320431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13402303321 - 2¹ = 13402303319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13402303292 and 13402303301.

It is not an unprimeable number, because it can be changed into a prime (13402303921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 609195595 + ... + 609195616.

It is an arithmetic number, because the mean of its divisors is an integer number (3655173636).

Almost surely, 2^13402303321 is an apocalyptic number.

13402303321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13402303321 is a deficient number, since it is larger than the sum of its proper divisors (1218391223).

13402303321 is a wasteful number, since it uses less digits than its factorization.

13402303321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218391222.

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

Adding to 13402303321 its reverse (12330320431), we get a palindrome (25732623752).

The spelling of 13402303321 in words is "thirteen billion, four hundred two million, three hundred three thousand, three hundred twenty-one".