13413304431 has 20 divisors (see below), whose sum is σ = 20728098600. Its totient is φ = 8633849616.

The previous prime is 13413304397. The next prime is 13413304441. The reversal of 13413304431 is 13440331431.

It is not a de Polignac number, because 13413304431 - 2⁹ = 13413303919 is a prime.

It is a super-2 number, since 2×13413304431² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13413304395 and 13413304404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13413304441) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2852761 + ... + 2857458.

It is an arithmetic number, because the mean of its divisors is an integer number (1036404930).

Almost surely, 2^13413304431 is an apocalyptic number.

13413304431 is a deficient number, since it is larger than the sum of its proper divisors (7314794169).

13413304431 is an equidigital number, since it uses as much as digits as its factorization.

13413304431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5710260 (or 5710251 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 13413304431 its reverse (13440331431), we get a palindrome (26853635862).

The spelling of 13413304431 in words is "thirteen billion, four hundred thirteen million, three hundred four thousand, four hundred thirty-one".