13134344431 has 8 divisors (see below), whose sum is σ = 14146224624. Its totient is φ = 12122685120.

The previous prime is 13134344411. The next prime is 13134344473. The reversal of 13134344431 is 13444343131.

It is a happy number.

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

It is not a de Polignac number, because 13134344431 - 2¹⁹ = 13133820143 is a prime.

It is a super-2 number, since 2×13134344431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13134344393 and 13134344402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13134344411) 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, 80691 + ... + 181051.

It is an arithmetic number, because the mean of its divisors is an integer number (1768278078).

Almost surely, 2^13134344431 is an apocalyptic number.

13134344431 is a deficient number, since it is larger than the sum of its proper divisors (1011880193).

13134344431 is a wasteful number, since it uses less digits than its factorization.

13134344431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110441.

The product of its digits is 20736, while the sum is 31.

Adding to 13134344431 its reverse (13444343131), we get a palindrome (26578687562).

The spelling of 13134344431 in words is "thirteen billion, one hundred thirty-four million, three hundred forty-four thousand, four hundred thirty-one".