13431130040043 has 6 divisors (see below), whose sum is σ = 19400521168964. Its totient is φ = 8954086693356.

The previous prime is 13431130040011. The next prime is 13431130040113. The reversal of 13431130040043 is 34004003113431.

13431130040043 is a `hidden beast` number, since 1 + 3 + 4 + 311 + 300 + 4 + 0 + 0 + 43 = 666.

It is not a de Polignac number, because 13431130040043 - 2⁵ = 13431130040011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13431130039989 and 13431130040016.

It is not an unprimeable number, because it can be changed into a prime (13431130040143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 746173891105 + ... + 746173891122.

Almost surely, 2^{13431130040043} is an apocalyptic number.

13431130040043 is a deficient number, since it is larger than the sum of its proper divisors (5969391128921).

13431130040043 is a wasteful number, since it uses less digits than its factorization.

13431130040043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492347782233 (or 1492347782230 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 13431130040043 its reverse (34004003113431), we get a palindrome (47435133153474).

The spelling of 13431130040043 in words is "thirteen trillion, four hundred thirty-one billion, one hundred thirty million, forty thousand, forty-three".