13431345543101 has 8 divisors (see below), whose sum is σ = 13616936566200. Its totient is φ = 13245797763072.

The previous prime is 13431345543071. The next prime is 13431345543151. The reversal of 13431345543101 is 10134554313431.

It can be written as a sum of positive squares in 4 ways, for example, as 2352925905625 + 11078419637476 = 1533925^2 + 3328426^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13431345543101 - 2²⁶ = 13431278434237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13431345543151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10185026 + ... + 11427923.

It is an arithmetic number, because the mean of its divisors is an integer number (1702117070775).

Almost surely, 2^{13431345543101} is an apocalyptic number.

It is an amenable number.

13431345543101 is a deficient number, since it is larger than the sum of its proper divisors (185591023099).

13431345543101 is an equidigital number, since it uses as much as digits as its factorization.

13431345543101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21621535.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 13431345543101 its reverse (10134554313431), we get a palindrome (23565899856532).

The spelling of 13431345543101 in words is "thirteen trillion, four hundred thirty-one billion, three hundred forty-five million, five hundred forty-three thousand, one hundred one".