13404413231 has 16 divisors (see below), whose sum is σ = 14671666080. Its totient is φ = 12145351680.

The previous prime is 13404413159. The next prime is 13404413233. The reversal of 13404413231 is 13231440431.

It is a happy number.

It is not a de Polignac number, because 13404413231 - 2¹⁴ = 13404396847 is a prime.

It is a super-2 number, since 2×13404413231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13404413231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13404413233) 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, 5136455 + ... + 5139063.

It is an arithmetic number, because the mean of its divisors is an integer number (916979130).

Almost surely, 2^13404413231 is an apocalyptic number.

13404413231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13404413231 is a deficient number, since it is larger than the sum of its proper divisors (1267252849).

13404413231 is a wasteful number, since it uses less digits than its factorization.

13404413231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 13404413231 its reverse (13231440431), we get a palindrome (26635853662).

The spelling of 13404413231 in words is "thirteen billion, four hundred four million, four hundred thirteen thousand, two hundred thirty-one".