13475457431 has 4 divisors (see below), whose sum is σ = 13476018000. Its totient is φ = 13474896864.

The previous prime is 13475457409. The next prime is 13475457481.

13475457431 is nontrivially palindromic in base 10.

13475457431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13475457431 - 2⁶ = 13475457367 is a prime.

It is a super-2 number, since 2×13475457431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13475457481) 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 3 ways as a sum of consecutive naturals, for example, 242531 + ... + 292868.

It is an arithmetic number, because the mean of its divisors is an integer number (3369004500).

Almost surely, 2^13475457431 is an apocalyptic number.

13475457431 is a deficient number, since it is larger than the sum of its proper divisors (560569).

13475457431 is an equidigital number, since it uses as much as digits as its factorization.

13475457431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560568.

The product of its digits is 705600, while the sum is 44.

The spelling of 13475457431 in words is "thirteen billion, four hundred seventy-five million, four hundred fifty-seven thousand, four hundred thirty-one".