13340140431 has 8 divisors (see below), whose sum is σ = 18833139504. Its totient is φ = 8370284160.

The previous prime is 13340140427. The next prime is 13340140477. The reversal of 13340140431 is 13404104331.

13340140431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13340140431 - 2² = 13340140427 is a prime.

It is a super-2 number, since 2×13340140431² (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 (13340640431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130785640 + ... + 130785741.

It is an arithmetic number, because the mean of its divisors is an integer number (2354142438).

Almost surely, 2^13340140431 is an apocalyptic number.

13340140431 is a deficient number, since it is larger than the sum of its proper divisors (5492999073).

13340140431 is a wasteful number, since it uses less digits than its factorization.

13340140431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261571401.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13340140431 its reverse (13404104331), we get a palindrome (26744244762).

The spelling of 13340140431 in words is "thirteen billion, three hundred forty million, one hundred forty thousand, four hundred thirty-one".