13433142431 has 4 divisors (see below), whose sum is σ = 13435991352. Its totient is φ = 13430293512.

The previous prime is 13433142407. The next prime is 13433142449. The reversal of 13433142431 is 13424133431.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13433142431 is a prime.

It is a super-2 number, since 2×13433142431² (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 = 13433142394 and 13433142403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13433142491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1417376 + ... + 1426821.

It is an arithmetic number, because the mean of its divisors is an integer number (3358997838).

Almost surely, 2^13433142431 is an apocalyptic number.

13433142431 is a deficient number, since it is larger than the sum of its proper divisors (2848921).

13433142431 is an equidigital number, since it uses as much as digits as its factorization.

13433142431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2848920.

The product of its digits is 10368, while the sum is 29.

Adding to 13433142431 its reverse (13424133431), we get a palindrome (26857275862).

The spelling of 13433142431 in words is "thirteen billion, four hundred thirty-three million, one hundred forty-two thousand, four hundred thirty-one".