13431335127 has 32 divisors (see below), whose sum is σ = 20613808128. Its totient is φ = 7620021216.

The previous prime is 13431335119. The next prime is 13431335131. The reversal of 13431335127 is 72153313431.

It is a happy number.

It is not a de Polignac number, because 13431335127 - 2³ = 13431335119 is a prime.

It is a super-2 number, since 2×13431335127² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13431335107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5280418 + ... + 5282960.

It is an arithmetic number, because the mean of its divisors is an integer number (644181504).

Almost surely, 2^13431335127 is an apocalyptic number.

13431335127 is a deficient number, since it is larger than the sum of its proper divisors (7182473001).

13431335127 is a wasteful number, since it uses less digits than its factorization.

13431335127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4259.

The product of its digits is 22680, while the sum is 33.

Adding to 13431335127 its reverse (72153313431), we get a palindrome (85584648558).

The spelling of 13431335127 in words is "thirteen billion, four hundred thirty-one million, three hundred thirty-five thousand, one hundred twenty-seven".