13530322403 has 8 divisors (see below), whose sum is σ = 15041152896. Its totient is φ = 12086640000.

The previous prime is 13530322397. The next prime is 13530322453. The reversal of 13530322403 is 30422303531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13530322403 - 2⁴ = 13530322387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13530322453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16786598 + ... + 16787403.

It is an arithmetic number, because the mean of its divisors is an integer number (1880144112).

Almost surely, 2^13530322403 is an apocalyptic number.

13530322403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13530322403 is a deficient number, since it is larger than the sum of its proper divisors (1510830493).

13530322403 is a wasteful number, since it uses less digits than its factorization.

13530322403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33574045.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 13530322403 its reverse (30422303531), we get a palindrome (43952625934).

The spelling of 13530322403 in words is "thirteen billion, five hundred thirty million, three hundred twenty-two thousand, four hundred three".