13434305431 has 4 divisors (see below), whose sum is σ = 13434635152. Its totient is φ = 13433975712.

The previous prime is 13434305411. The next prime is 13434305449. The reversal of 13434305431 is 13450343431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13450343431 = 7 ⋅1921477633.

It is a cyclic number.

It is not a de Polignac number, because 13434305431 - 2¹¹ = 13434303383 is a prime.

It is a super-2 number, since 2×13434305431² (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 = 13434305393 and 13434305402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13434305411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93426 + ... + 188671.

It is an arithmetic number, because the mean of its divisors is an integer number (3358658788).

Almost surely, 2^13434305431 is an apocalyptic number.

13434305431 is a deficient number, since it is larger than the sum of its proper divisors (329721).

13434305431 is an equidigital number, since it uses as much as digits as its factorization.

13434305431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329720.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 13434305431 its reverse (13450343431), we get a palindrome (26884648862).

The spelling of 13434305431 in words is "thirteen billion, four hundred thirty-four million, three hundred five thousand, four hundred thirty-one".