13313430403 has 16 divisors (see below), whose sum is σ = 16950790080. Its totient is φ = 10170470016.

The previous prime is 13313430401. The next prime is 13313430409. The reversal of 13313430403 is 30403431331.

It is a happy number.

It is not a de Polignac number, because 13313430403 - 2¹ = 13313430401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13313430401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2519800 + ... + 2525077.

It is an arithmetic number, because the mean of its divisors is an integer number (1059424380).

Almost surely, 2^13313430403 is an apocalyptic number.

13313430403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13313430403 is a deficient number, since it is larger than the sum of its proper divisors (3637359677).

13313430403 is a wasteful number, since it uses less digits than its factorization.

13313430403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5044926.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 13313430403 its reverse (30403431331), we get a palindrome (43716861734).

The spelling of 13313430403 in words is "thirteen billion, three hundred thirteen million, four hundred thirty thousand, four hundred three".